CYLINDRICAL

C48 Series/MIL-C-26500
Accessories & Application Tooling
Boeing: BACC45 / BACC63 Series
MIL-C-26500
Introduction
C48 Series

■ Qualified to MIL-C-26500.
■ Styles qualified to Boeing BACC45 Series.
■ Styles qualified to Boeing BACC63 Series.
FEATURES

■ Power Contact Sizes: 20, 16, and 12.

■ Coax Contacts Available: Size 12 and 8.
■ Contacts: Crimp - Front release.
■ Optional Fixed Contacts: PC Termination.
■ Coupling Styles: Bayonet and Threaded.
■ Environmentally Sealed.

Shell: Aluminum, stainless-steel options available

MATERIALS

Finish: Aluminum - Anodize, optional electroless nickel /

cadmium over nickel
Rubber: Silicone / fluorosilicone
Dielectric: Glass-filled epoxy
ENVIRONMENTAL

Temperature Extremes: +200°C / 392°F to -55°C / -65°F

Ozone Resistance: 0.015% by volume
Temperature Life: Internal 238°C for 1,000 hours
Moisture Resistance: 1,000 megohms minimum / MIL-STD-202,
Method 106
Thermal Shock: -55°C (-67°F) to 260°C (500°F)

Dielectric Strength: 1,500 volts VAC RMS

ELECTRICAL

Current Rating (Test): Size 20 7.5 Amps D.C.

Size 16 13.0 Amps D.C.
Size 12 23.0 Amps D.C.
Insulation Resistance: 5,000 megohms minimum

Contact Retention: Size 20 - 20 lb. minimum

Size 16 - 25 lb. minimum
MECHANICAL

Size 12 - 30 lb. minimum

Durability: Threaded - 200 mating cycles
Bayonet - 500 mating cycles
Vibration: Std - 20 g’s; 12 hours (Synasoidal)
MMB / Self-Lock - 39.6 g’s RMS, 48 hours (Random)
Shock: 50 g’s

Call Toll Free: 1 (800) 323-9612 3-1

MIL-C-26500
Introduction
C48 Series

GENERAL DESCRIPTION

The C48 Series describes a family of connectors qualified to MIL-C-26500. While maintaining the MIL-C-26500
mating interface, this product has also been expanded to include qualifications to numerous Boeing specifications
to satisfy general purpose requirements and unique product challenges for shielding, environmental sealing,
fluid resistance, and vibration.

Design Features

A. Positive Location Captivated Insert

(Mechanical Interlock)
B. Insert Face Seal
C. Pin Contact, MIL-C-39029/31
D. Contact Pressuring Seal
E. Anti-Deflection Disc
F. Resilient Pin Insert
G. Insert Rim Seal
H. Dynamic “O” Ring Shell Seal
I. Five-Key Shell Polarization
J. Metal-to-Metal Shoulder
K. Bayonet or Threaded Coupling,
Permanent Captivation
L. Contact Retention Clip
M. Socket Contact, MIL-C-39029/32
N. Wire Sealing Risers
O. Grommet

The expanded Cinch C48 product family offers numerous product options qualified to Boeing high-performance
requirements and product solutions developed for alternate termination styles/low-profile packaging.

Product Description Cinch Series

• Threaded non-decoupling design CN0966

• High-vibration bayonet plug with C0909

metal-to-metal bottoming shells CN1020

• Connectors for shell grounding / CN0966

shielding effectiveness, non-rotating CN0967
accessory teeth, and advanced CN1020
fluid-resistance elastometers CN1021

• Firewall Conformance CN0966

CN0967

• Low-profile connectors - CN0915

crimp - removable contacts

• Low-profile connectors - CN0942

fixed contacts / alternate CN0944
termination styles

3-2 Call Toll Free: 1 (800) 323-9612

 C48 Series How to Order

Cinch Numbers C48-0 6 R 22-55 P 6-102

Series Designation Order Code (Deviations)

C48 -- 100 - Connector With Contacts & Cable Support
102 - Connector Less Cable Support With Contacts
Coupling Style 105 - Connector Less Contacts With Cable Support
0 -- Threaded 106 - Connector Less Contacts & Less Cable Support
1 -- Bayonet See order codes for Boeing on page 3-14
Alternate Shell Positions
Shell Style 6, 7, 8, 9, 10 per table on page 3-4
0 -- Square Flange Receptacle (Omit for normal position)
3 -- Single-Hole Mounting Receptacle
6 -- Straight Plug Contact Style
P -- Pin
Environmental Class S -- Socket
R -- Meets MIL-C-26500 (USAF)
Insert Arrangements
(See page 3-4)

Shell Size
8, 10, 12, 14, 16, 18, 20, 22, 24

3 Military Standard Part Numbers

You can use MS* as well as C48
Series part numbers when ordering
C48 Series connectors.

*MS part numbers are supplied less

cable support. If cable support is
desired, it must be ordered separately.

MS24266 R 22 T 55 P 6
Military Designation Alternate Shell Positions
MS24264 -- Square-Flange Receptacle N, 6, 7, 8, 9, Y per table on page 3-4
MS24265 -- Single-Hole Mounting Receptacle
MS24266 -- Straight Plug Contact Style
P -- Pin
Environmental Class
S -- Socket
R -- Meets MIL-C-26500 (USAF)
Insert Arrangements
Shell Size
(See page 3-4)
8, 10, 12, 14, 16, 18, 20, 22, or 24
Coupling Style
T -- Threaded
B -- Bayonet

Part numbers for the contacts and assembly tools are listed on page 3-12.

Call Toll Free: 1 (800) 323-9612 3-3

 Inserts Available
C48 Series (Showing Front Face
of Socket Inserts)

Shell
Shell Shell Size-12
Size-8 Size-10
(Y) (Y) (Y) (Y) (Y)

Shell Shell
Size-14 Size-16

(Y) (Y)
(Y)

Shell
Size-18

(Y)

Shell
Size-20 3
(Y)
(Y) (Y) (Y)

Shell
Size-22

(Y)
(Y)

Shell
Size-24

(Y)
(Y) (Y)

Shell
Size-28

CN096X
CN102X Alternate Shell Positions (Front face of receptacle shown)
Series NOTE: Alternate positions 6 through Y incorporate special shell polarizing
Only key and keyways. All inserts remain in the normal position.

For Connector Size

For Connector Size 8 and 10 12, 14, 16, 18, 20, 22, 24, and 28
Positions A B C D A B C D
Normal (N) 105° 140° 215° 265° 105° 140° 215° 265°
6 102° 132° 248° 320° 18° 149° 192° 259°
7 80° 118° 230° 312° 92° 152° 222° 342°
† = #1 shielded contact is interchangeable 8 35° 140° 205° 275° 84° 152° 204° 334°
with #12 power contact. 9 64° 155° 234° 304° 24° 135° 199° 240°
(Y) = Available in Boeing Insert Style.
10 or Y* 25° 115° 220° 270° 98° 152° 268° 338°
*Not available in Size 8 Connector. See individual part number systems.

3-4 Call Toll Free: 1 (800) 323-9612

 C48 Series
Plug Connectors

Threaded Coupling
C48-06RXX-XXXX
MS24266RXXTXXXX 1.345 (34.164)
Max.
BACC45FS1

3 Bayonet Coupling
C48-16RXX-XXXX
MS24266RXXBXXXX 1.345 (34.164)
BACC45FT1 Max.

Dimensions

Shell A. Dia. B. Dia. C. Max. D. Thread

Size in mm in mm in mm UNEF-2A
8 .328 8.331 .437 11.100 .776 19.712 .437-28
10 .420 10.668 .562 14.275 .906 23.013 .562-24
12 .580 14.732 .750 19.050 1.078 27.381 .750-20
14 .664 16.866 .812 20.625 1.141 28.982 .812-20
16 .769 19.533 .938 23.825 1.266 32.157 .937-20
18 .902 22.911 1.062 26.975 1.375 34.925 1.062-18
20 1.033 26.238 1.182 30.023 1.510 38.354 1.187-18
22 1.152 29.261 1.312 33.325 1.625 41.275 1.312-18
24 1.282 32.253 1.432 36.373 1.760 44.704 1.437-18

1
Boeing Specifications, see page 3-14.

Call Toll Free: 1 (800) 323-9612 3-5

C48 Series
Receptacle Connectors

Square Flange,
Threaded Coupling 1.407 (35.738)
C48-OORXX-XXXX Max.
MS24264RXXTXXX
BACC45FM1

Square Flange,
Bayonet Coupling 1.407 (35.738)
3
C48-1ORXX-XXXX Max.
MS24264RXXBXXX
BACC45FN1

Dimensions

A B C D F G H J K
Shell +.005 (.127) +.005 (.127) Max. Dia. Max. Max. Thread Thread Min. Min.
Size in mm in mm in mm in mm in mm UNEF-2A UNEF-2A in mm in mm
8 .812 20.625 .594 15.088 .125 3.175 .561 14.250 .437 11.100 .562-24 .437-28 .620 15.748 .447 11.354
10 .937 23.800 .719 18.263 .125 3.175 .696 17.679 .562 14.275 .687-24 .562-24 .748 18.999 .572 14.529
12 1.031 26.188 .812 20.625 .125 3.175 .875 22.225 .750 19.050 .875-20 .750-20 .913 23.190 .760 19.304
14 1.125 28.575 .906 23.013 .125 3.175 .935 23.749 .812 20.625 .937-20 .812-20 .980 24.892 .822 20.879
16 1.250 31.750 .969 24.613 .125 3.175 1.062 26.975 .938 23.825 1.062-18 .937-20 1.107 28.119 .948 24.079
18 1.343 34.112 1.062 26.975 .125 3.175 1.187 30.150 1.062 26.975 1.187-18 1.062-18 1.209 30.709 1.072 27.229
20 1.437 36.500 1.156 29.363 .125 3.175 1.312 33.325 1.182 30.023 1.312-18 1.187-18 1.337 33.960 1.192 30.277
22 1.562 39.675 1.250 31.750 .125 3.175 1.437 36.500 1.312 33.325 1.437-18 1.312-18 1.452 36.881 1.322 33.579
24 1.703 43.256 1.375 34.925 .154 3.912 1.562 39.675 1.432 36.373 1.562-18 1.437-18 1.577 40.056 1.442 36.627

1
= Boeing specifications, see page 3-14.

3-6 Call Toll Free: 1 (800) 323-9612

 C48 Series
Receptacle
Connectors

Single-Hole Mount,
Threaded Coupling
C48-03RXX-XXXX 1.407 (35.738)
Max.
MS24265RXXTXXX

3 Single-Hole Mount,
Bayonet Coupling
C48-13RXX-XXXX
MS24265RXXBXXX 1.407 (35.738)
Max.

Dimensions

A B C D E G H J K
Shell +.005 (.127) Max. Hex +.003 (.076) Max. Max. Dia. Max. Thread Thread Thread
Size in mm in mm in mm in mm in mm in mm UNEF-2A UNEF-2A UNEF-2A
8 .979 24.867 .828 21.031 .593 15.062 1.068 27.127 .561 14.249 .437 11.100 .562-24 .625-20* .437-28
10 1.104 28.042 .953 24.206 .718 18.237 1.192 30.277 .696 17.678 .562 14.275 .687-24 .750-20 .562-24
12 1.291 32.791 1.140 28.956 .905 22.987 1.380 35.052 .875 22.225 .750 19.050 .875-20 .937-20 .750-20
14 1.391 35.331 1.250 31.750 .968 24.587 1.505 38.227 .935 23.749 .812 20.625 .937-20 1.000-20 .812-20
16 1.516 38.506 1.329 33.757 1.093 27.762 1.630 41.402 1.062 26.975 .938 23.825 1.062-18 1.125-20* .937-20
18 1.641 41.681 1.455 36.957 1.217 30.912 1.740 44.196 1.187 30.150 1.062 26.975 1.187-18 1.250-20* 1.062-18
20 1.766 44.856 1.642 41.707 1.342 34.087 1.860 47.244 1.312 33.325 1.182 30.023 1.312-18 1.375-18 1.187-18
22 1.954 49.632 1.705 43.307 1.467 37.262 2.040 51.816 1.437 36.500 1.312 33.325 1.437-18 1.500-20* 1.312-18
24 2.079 52.807 1.892 48.057 1.592 40.437 2.160 54.864 1.562 39.675 1.432 36.373 1.562-18 1.625-18 1.437-18
* Thread: UN-2A
NOTES:
Contact factory for information about Boeing specifications.
For mounting hole dimensions and jam nut torques, see page 3-20.

Call Toll Free: 1 (800) 323-9612 3-7

C48/CN0915 Series
Limited Wiring Space Receptacle Connectors
Crimp Removal Contacts

Square-Flange,
Threaded Coupling
CN0915B-XXXXXXX-XXX

Square-Flange,
Bayonet Coupling
CN0915A-XXXXXXX-XXX

Dimensions

A B C D F G
Shell +.0045 (.114) +.005 (.127) +.004 (.102) Max. +.0015 (.038) Thread
Size in mm in mm in mm in mm in mm UNEF-2A
8 .812 20.625 .594 15.088 .121 3.073 .561 14.250 .497 12.624 .562-24
10 .937 23.800 .719 18.263 .121 3.073 .696 17.679 .503 15.799 .687-24
12 1.031 26.187 .812 20.625 .121 3.073 .875 22.225 .745 18.923 .875-20
14 1.125 28.575 .906 23.012 .121 3.073 .935 23.749 .871 22.123 .937-20
16 1.150 29.210 .969 24.613 .121 3.073 1.062 26.975 .995 25.273 1.062-18
18 1.343 35.382 1.062 26.975 .121 3.073 1.187 30.150 1.058 26.873 1.187-18
20 1.437 36.500 1.156 29.362 .121 3.073 1.312 33.325 1.184 30.074 1.312-18
22 1.562 39.675 1.250 31.750 .121 3.073 1.437 36.500 1.307 33.198 1.437-18
24 1.703 43.256 1.375 34.925 .154 3.912 1.562 39.675 1.432 36.373 1.562-18

Ordering Information1 Ordering Information1 CN0915 A 10 A 05 P N - 000

Series Designation Order Code
CN0915 000 - Less Contacts
200 - Gold-Plated Contacts
Series Modification
* See below
A - Bayonet Coupling
B - Threaded Coupling Shell Position
Shell Size N, 6, 7, 8, 9, 10 (See page 3-4)
8, 10, 12, 14, 16, 18, 20, 22, & 24 Contact Style
P - Pin
Environmental Class S - Socket
A - Anodized Aluminum
NOTES: N - Electroless Nickel-Plated Aluminum Insert Arrangement
S - Stainless Steel (See page 3-4)
1
For other modifications, classes, etc., contact factory.
• For mounting hole dimensions, see page 3-20.
• Uses CRIM-LOK contacts. See page 3-12.
* Former order code - 100 designated rhodium plated contacts

3-8 Call Toll Free: 1 (800) 323-9612

 CN0942/CN0944 Series (C48 Family)
Short Receptacle Connectors
Non-Removable Contacts

Single-Hole Mount,
Bayonet Coupling
CN0942D XXXXXXXXX
CN0944D XXXXXXXXX

S**

T**

Square Flange,

3 Bayonet Coupling
CN0942B XXXXXXXXX
CN0944B XXXXXXXXX

S*

T*

Dimensions

A B C D F J K L
Shell Max. Max. Max. Max. Thread +.005 (.127) +.005 (.127) +.003 (.176)
Size in mm in mm in mm in mm UNEF-2A in mm in mm in mm
8 .984 24.994 .828 21.031 1.068 27.127 .561 14.250 .625-20* .812 20.625 .594 15.088 .593 15.062
10 1.109 28.169 .953 24.206 1.192 30.277 .696 17.679 .750-20 .937 23.800 .719 18.263 .718 18.237
12 1.296 32.919 1.140 28.956 1.380 35.052 .875 22.225 .937-20 1.031 26.188 .812 20.625 .905 22.987
14 1.396 35.459 1.250 31.750 1.505 38.227 .935 23.749 1.000-20 1.125 28.575 .906 23.013 .968 24.587
16 1.521 38.634 1.329 33.757 1.630 41.402 1.062 26.975 1.125-20* 1.250 31.750 .969 24.613 1.093 27.762
18 1.646 41.809 1.455 36.957 1.740 44.196 1.187 30.150 1.250-20* 1.343 34.112 1.062 26.975 1.217 30.912
20 1.771 44.984 1.642 41.707 1.860 47.244 1.312 33.325 1.375-18 1.437 36.500 1.156 29.363 1.342 34.087
22 1.959 49.759 1.705 43.307 2.040 51.816 1.437 36.500 1.500-20* 1.562 39.675 1.250 31.750 1.467 37.262
24 2.084 52.934 1.892 48.057 2.160 54.864 1.562 39.675 1.625-18 1.703 43.256 1.375 34.925 1.592 40.437

* Th’d: UN-2A
** See “S” and “T” dimensions on page 3-10.

Call Toll Free: 1 (800) 323-9612 3-9

CN0942/CN0944 Series (C48 Family)
Short Receptacle Connectors
Non-Removable Contacts

CN0942 Series: Fluorosilicone Inserts

Ordering Information1

Termination Contact Termination CN0942 B 10 J 05 P N O1

Designator Style T Min. S + .002 Series Designation Termination
01* P&S .250 .025 (See table)
02* X&Y .230 N/A Series Modification Shell Position
03** P&S .144 .025 B - Square-Flange Mount Bayonet Coupled N, 6, 7, 8, 9, Y (See page 3-4)
04** X &Y .124 N/A C - Square-Flange Mount Thread Coupled
D - Single-Hole Mount Bayonet Coupled Contact Style
06* T&W .900 .025 E - Single-Hole Mount Thread Coupled • Solder Pin Terminal
P - Pin
* Applies to CN0942B/CN0942C. Shell Size
S - Socket
** Applies to CN0942D/CN0942E. 8, 10, 12, 14, 16, 18, 20, 22, & 24
• Solder Cup Terminal
Class X - Pin
G - Cadmium/Nickel Finish Y - Socket
J - Anodized Finish • Wire Wrap Terminal
N - Electroless Nickel Finish T - Pin
W - Socket

3
Insert Arrangement
(See page 3-4)

NOTES:
1
For other modifications, class, etc., consult factory.
For mounting hole dimensions, see page 3-20.

CN0944 Series: Neoprene Inserts

Ordering Information1
Termination Term Termination
Designator Type T Min. S + .002 CN0944 B 10 R 05 P N C O1
01* B .250 .025
Series Designation Termination
02* C .230 N/A
CN0944 (See table)
03** B .144 .025
04** C .124 N/A Series Modification Termination Type
B - Square-Flange Mount Bayonet Coupled B - Solder Pin
06* W .900 .025 C - Solder Cup
C - Square-Flange Mount Thread Coupled
* Applies to CN0944B/CN0944C. D - Single-Hole Mount Bayonet Coupled W - Wire Wrap
E - Single-Hole Mount Thread Coupled
** Applies to CN0944D/CN0944E. Shell Position
Shell Size N, 6, 7, 8, 9, Y (See page 3-4)
8, 10, 12, 14, 16, 18, 20, 22, & 24
Contact Style
Environmental Class P - Pin
G - Cadmium/Nickel Finish S - Socket
N - Electroless Nickel Finish Insert Arrangement
R - Anodized Finish (See page 3-4)

NOTES:

1
For other modifications, class, etc., consult factory.
For mounting hole dimensions, see page 3-20.

3-10 Call Toll Free: 1 (800) 323-9612

 C48 Series
Accessories

Cable Support Assembly

Cable clamps support cable or
wire at the plug or receptacle and
prevent twisting and pulling.

C Thread

Dimensions

3 Cinch
Size Part No.
8 C48-2840
MS
MS27291-13
in
A
Max. Dia.
mm
.606 15.393
in
B
+.015 (.381)
mm
.935 23.749
in
.186
I.D.
+.005 (.127)
mm
4.725
C Th’d
UNEF-2B
.437-28
in
.789
P
Max.
mm
20.042
10 C48-2341 MS27291-1 .731 18.568 .935 23.749 .270 6.858 .562-24 .914 23.216
12 C48-2342 MS27291-2 .919 23.343 .935 23.749 .400 10.160 .750-20 1.026 26.061
14 C48-2343 MS27291-3 .981 24.918 1.170 29.718 .460 11.684 .812-20 1.090 27.686
16 C48-2344 MS27291-4 1.106 28.093 1.170 29.718 .610 15.494 .937-20 1.250 31.750
18 C48-2345 MS27291-5 1.231 31.268 1.170 29.718 .690 17.526 1.062-18 1.358 34.493
20 C48-2643 MS27291-14 1.356 34.443 1.170 29.718 .816 20.728 1.187-18 1.481 37.619
22 C48-2346 MS27291-6 1.481 37.618 1.170 29.718 .940 23.876 1.312-18 1.604 40.742
24 C48-2644 MS27291-15 1.606 40.793 1.170 29.178 1.066 27.078 1.437-18 1.729 43.919

Call Toll Free: 1 (800) 323-9612 3-11

 [.050” (1.27mm) Density
C48 Series
Solder
Crim-Lok
Cup/Wire
Contacts
Accessories
D-Microminiature]

Contacts Max.
Wire Current
Contact Size Rating Cinch Part No. MS Part No.
When you order Cinch C48 Series Size AWG Amps Pin Socket Pin Socket
connectors with contacts, the contact package 24 3.0
contains enough contacts to complete the No. 20 22 5.0 CN0900-253 CN0900-255 M39029/31-241 M39029/32-260
insert arrangement plus two spares. The 20 7.5
18 16
package also includes sealing plugs for 15% No. 16 16 22 CN0900-252 CN0900-254 M39029/31-229 M39029/32-248
of the contacts in the inserts, minimum of 14 32
three. To provide proper sealing, insert No. 12 12 41 CN0900-256 CN0900-257 M32029/31-235 M39029/32-254
** 3 C48-1226-02 C48-1227-02 -- --
unwired contacts and sealing plugs in all No. 1* **** 1 C48-1226-54 C48-1227-54 -- --
unused holes. (Use a #12 contact for a #1 (Shielded) ***** 1 C48-1226-55 C48-1227-55 -- --
shielded hole.) To order contacts and sealing No. 2
plugs separately use the part numbers in the (Shielded) *** 7.5 C48-2187-02 C48-2188-02 -- --
table below.
* Fits into No. 12 power contact cavity.
** Accommodates cables RG174/U, RG179U, RG179A/U, RG187/U, RG188/U, RG161/U,
as well as shielded wire.
Can also accommodate Cable MIL-C-27500-22 KING (Extruded) or 22 AWG per
MIL-C-7078 type II.
*** Accommodates Cable MIL-C-27500 KING; 20 KING; 18 KING (Extruded) or 22, 20, 18
AWG, per MIL-C-7078 type II.
**** For use with RG195/U and RG180/U, RG180A/U, and RG1808/U.
***** Accommodates Cables RG178/U, RG178A/U, RG1788/U, and RG196/U.
3
Grommet Sealing Plugs

Color Code Size Cinch Part No. MS Part No.

Yellow 12 & #1 Shielded C48-2221-12 MS27488-12
Blue 16 C48-2221-16 MS27488-16
Red 20 C48-2221-20 MS27488-20
White #2 Shielded C48-1458-01 --

Tools

Contact Crimp Insertion Tool Removal Tool

Size Tool Superseded No. Current No. Superseded No. Current No.
No. 20 M22520/1-01 MS24256A20 M81969/17-03 MS24256R20 M81969/19-06
No. 16 M22520/1-01 MS24256A16 M81969/17-04 MS24256R16 M81969/19-01
No. 12 M22520/1-01 MS24256A12 M81969/17-05 MS24256R12 M81969/19-02
Adjustable
Turret
No. 20 M22520/1-02
No. 16 M22520/1-02
No. 12 M22520/1-02
No. 1
(Shielded) MS24256A12 M81969/17-05 MS24256R12 M81969/19-09
No. 2
(Shielded) -- 294-128 -- 294-127

3-12 Call Toll Free: 1 (800) 323-9612

C48 Family
High-Performance Options

■ Cinch has qualified a series of connectors to Boeing Specifications in bayonet and

threaded styles that meet high-performance requirements for:

+ Vibration
+ Shielding Effectiveness
+ Fluid Resistance
BACC63 Series

BN BP BV CB CC
■ Vibration-resistant Bayonet Plug • •
FEATURES

■ Vibration-resistant Self-Locking
threaded Plug
•
■ Optional Ground Spring on Plug • •
■ Shielded Connectors • • • •
■ Advanced fluid-resistant elastometers • • • •
■ Non-rotating accessory teeth • • • •
conforming to MS3155

■ Optional Stainless Steel Shells • •

Call Toll Free: 1 (800) 323-9612 3-13

C48 Family
High-Performance Options

BOEING TO Cinch CROSS-REFERENCE DATA

Cinch Part Numbers and Order Codes

For Applicable Purchase Order Exceptions, see Note 6.

Boeing Less Contacts Less Cable

Part Numbers No Exceptions Less Contacts & Cable Support Support

BACC45FM**-**P C48-00R**Y**P-402 -406 -406 -402

A P6 See Note 3
P6-410 -415 -416 -412
See Note 2
B P7 P7-420 -425 -426 -422
C P8 P8-430 -435 -436 -432
See Note 5
D P9 P9-440 -445 -446 -442
E P10 P10-450 -455 -456 -452
BACC45FN**-**P6 C48-10R**Y**P6-402 -406 -406 -402
BACC45FS**-**P6 C48-06R**Y**P6-402 -406 -406 -402
BACC45FT**-**P6 C48-16R**Y**P6-402 -406 -402 -406

(BACC63 Types) - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -

BACC63BN*-**P6 C0909A**-**P6Y402 Y406 Y406 Y402

See Note 5 B Y420 Y425 Y426 Y422
See Note 3
C Y430 Y435 Y436 Y432
BACC63BP**A**P6 CN0966A**A**P6Y140 Y040 N/A N/A
B A**S**P6Y140 Y040 N/A N/A
See Note 7 C B**G**P6Y140 Y040 N/A N/A
D B**S**P6Y140 Y040 N/A N/A
BACC63BV**A**P6 CN0967C**A**P6Y140 Y040 N/A N/A
B S**P6Y140 Y040 N/A N/A
F G**P6Y140 Y040 N/A N/A
BACC63CB**-**P6 CN1020A**G**P6Y140 Y040 N/A N/A
BACC63CC**-**P6 CN1021A**G**P6Y140 Y040 N/A N/A

See Note 4

NOTES:

1. All parts are marked with Boeing part number.

2. Part number system also applies to BACC45FN, BACC45FS, and BACC45FT.

3. May be “Y” or “–” (dash) designator

“Y” = Insert arrangements with size 20 contacts (see page 3-4) use small wire grommet seals,
Boeing insert discs, and hard socket inserts.
“-” = Insert arrangements that contain no size 20 contact locations. Use standard “MS”
grommets, discs, and inserts.

4. “P6” represents contact style and shell polarities defined in individual part numbering systems.

5. Specifies optional cable support:

"–" = No cable support
"A" = BACC10GH Straight Single-Leg Clamp
"B" = MS27559 Right-Angle Saddle Clamp
"C" = MS27291 Straight Saddle Clamp
"D" = BACC10JC Right-Angle Single Leg Clamp
"E" = BACC10JS Straight Single-Leg Composite Clamp

6. The Boeing specifications permit omission of contacts and/or cable support through purchase
order exceptions.

7. Specifies material and shell designs. See Boeing specification.

** These part number fields represent shell size and insert arrangement as defined in
individual part number systems.

3-14 Call Toll Free: 1 (800) 323-9612

 CN0966 Series (C48 Family)
Self-Locking Plug Connectors

Threaded Coupling 1.345**

(34.164)
CN0966XXXXXXXX Max.

BACC63BP1

360° LOCKING
ACCESSORY
TEETH

3 Dimensions

A B C
Shell + .005 (.127) Max. Dia. Thread
Size in mm in mm UNEF-2A
8 .835 21.209 .306 7.773 .500-20
10 .972 23.698 .371 9.423 .625-24
12 1.165 27.254 .547 13.894 .750-20
14 1.230 30.124 .613 15.570 .875-20
16 1.355 33.198 .758 19.253 1.000-20
18 1.470 34.798 .865 21.971 1.0625-18
20 1.607 38.100 .986 25.044 1.1875-18
22 1.735 41.148 1.106 28.092 1.3125-18
24 1.858 44.069 1.235 31.369 1.4375-18
28 2.113 52.070 1.485 37.719 1.750-18*

Ordering Information2 CN0966 B 10 S 05 P N - 000

Series Designation
CN0966 Order Code (Deviations)1
000 - Less Contacts
Series Modification 100 - * See below
A - Ungrounded 200 - With Gold-Plated Contacts
B - Grounded (Conductive)
Alternate Shell Positions
Shell Size N, 6, 7, 8, 9, 10
8, 10, 12, 14, 16, 18, 20, 22, 24, 26, 28 Per table on page 3-4
Class
Contact Style
A - Anodized Aluminum
P - Pin Insert
G - Cadmium/Nickel-Plated Aluminum
S - Socket Insert
K - Stainless Steel Flame Resistant
N - Electroless Nickel-Plated Aluminum Insert Arrangements
S - Stainless Steel (See page 3-4)

Notes:
1
For Boeing Specification, see page 3-14.
2
For modifications, classes, etc. not listed, consult factory.
* Th’d: UNS-2A
** Size 28 = 1.395 (35.434)
* Former order code - 100 designated rhodium plated contacts

Call Toll Free: 1 (800) 323-9612 3-15

CN0967 (C48 Series)
Vibration-Resistant Receptacle

Threaded Coupling
CN0967XXXXXXXX 1.407**
BACC63BV1 (35.738)
Max.

360° LOCKING
ACCESSORY
TEETH

Dimensions

A B C D J L
3
Shell +.0045 (.114) +.005 (.127) Max. Max. Dia. Thread Thread
Size in mm in mm in mm in mm UNEF-2A UNEF-2A
8 .812 20.625 .594 15.088 .561 14.250 .328 8.331 .5265-24 .5000-20
10 .937 23.800 .719 18.263 .696 14.250 .371 9.423 .6875-24 .6250-24
12 1.031 26.187 .812 20.625 .875 17.679 .547 13.894 .8750-20 .7500-20
14 1.125 28.575 .906 23.012 .935 22.225 .609 15.469 .9375-20 .8750-20
16 1.250 31.750 .969 24.613 1.062 23.749 .758 19.253 1.0625-18 1.0000-20
18 1.343 34.112 1.062 26.975 1.187 30.150 .865 21.971 1.1875-18 1.0625-18
20 1.437 36.500 1.156 29.362 1.312 33.325 .986 25.044 1.3125-18 1.1875-18
22 1.562 39.675 1.250 31.750 1.437 36.500 1.106 28.092 1.4375-18 1.3125-18
24 1.703 43.256 1.375 34.925 1.562 39.675 1.235 31.369 1.5625-18 1.4375-18
28 2.000 50.800 1.562 39.675 1.810 45.976 1.485 37.719 1.8125-16 1.750-18*

Ordering Information2
CN0967 C 10 S 05 P N - 000
Series Designation
CN0967 Order Code (Deviations)
000 - Less Contacts
Series Modification 100 - * See below
C - Square-Flange Mount 200 - With Gold-Plated Contacts
G - Square-Flange with Clinch Nuts
Alternate Shell Position
Shell Size N, 6, 7, 8, 9, 10
8, 10, 12, 14, 16, 18, 20, 22, 24, 26, 28 Per table on page 3-4.

Environmental Class Contact Style

A - Anodized Aluminum P - Pin
G - Cadmium/Nickel-Plated Aluminum S - Socket
K - Stainless Steel, Flame Resistant Insert Arrangements
N - Electroless Nickel-Plated Aluminum (See page 3-4)
S - Stainless Steel

NOTES:
1
For Boeing Specification, see page 3-14.
2
For modifications, classes, etc., not listed, consult factory.
• For mounting hole dimensions, see page 3-20.
* Th’d: UNS-2A
**Size 28 = 1.457 (37.008)
* Former order code - 100 designated rhodium plated contacts

3-16 Call Toll Free: 1 (800) 323-9612

 CN1020 Series (C48 Family)
Vibration-Proof Plug Connector

Bayonet Coupling
1.345* *
CN1020-XXXXXXXX (34.164)
Max.
BACC63CB1

360° LOCKING
ACCESSORY TEETH

Dimensions

3 Shell
Size
8 .765
A
+ .005 (.127)
in mm
19.447
in
.306
B
Max. Dia.
mm
7.773
C
Thread
UNEF-2A
.500-20
10 .967 24.561 .371 9.423 .625-24
12 1.078 27.381 .547 13.894 .750-20
14 1.187 30.149 .613 15.570 .875-20
16 1.309 33.248 .758 19.253 1.000-20
18 1.375 34.925 .865 21.971 1.0625-18
20 1.505 38.227 .986 25.044 1.1875-18
22 1.625 41.275 1.106 28.092 1.3125-18
24 1.755 44.577 1.235 31.369 1.4375-18
28 2.161 54.889 1.485 37.719 1.750-18*

Ordering Information2 CN1020 A 10 G 05 P N - 000

Series Designation Order Code (Deviations)1
CN1020 000 - Less Contacts
Series Modification 100 - * See below
A - Standard Plug 200 - With Gold-Plated Contacts
Alternate Shell Positions
Shell Size
N, 6, 7, 8, 9, 10
8, 10, 12, 14, 16, 18, 20, 22, 24, 26, 28
Per table on page 3-4.
Environmental Class
Contact Style
A - Anodized Aluminum
P - Pin
G - Cadmium//Nickel-Plated Aluminum
S - Socket
Insert Arrangements
(See page 3-4)

Notes:
1
For Boeing Specification, see page 3-14.
2
For modification, classes, etc., not listed, consult factory.
* Th’d: UNS-2A
** Size 28 = 1.395 (35.434)
* Former order code - 100 designated rhodium plated contacts

Call Toll Free: 1 (800) 323-9612 3-17

CN1021 Series (C48 Family)
Vibration-Resistant Receptacle

Bayonet Coupling
1.407**
CN1021XXXXXXXX (35.738)
BACC63CC1 Max.

360° LOCKING
ACCESSORY TEETH

Dimensions

Shell
Size
8 .812
A
+.0045 (.114)
in mm
20.625
in
B
+.005 (.127)
mm
.594 15.088
in
C
Max.
mm
.561 14.250
in
.328
D
Max. Dia.
mm
8.331
L
Thread
UNEF-2A
.500-20
3
10 .937 23.800 .719 18.263 .696 14.250 .371 9.423 .625-24
12 1.031 26.187 .812 20.625 .875 17.679 .547 13.894 .750-20
14 1.125 28.575 .906 23.012 .935 22.225 .609 15.469 .875-20
16 1.250 31.750 .969 24.613 1.062 23.749 .758 19.253 1.000-20
18 1.343 34.112 1.062 26.975 1.187 30.150 .865 21.971 1.0625-18
20 1.437 36.500 1.156 29.362 1.312 33.325 .986 25.044 1.1875-18
22 1.562 39.675 1.250 31.750 1.437 36.500 1.106 28.092 1.3125-18
24 1.703 43.256 1.375 34.925 1.562 39.675 1.235 31.369 1.4375-18
28 2.000 50.800 1.562 39.675 1.810 45.976 1.485 37.719 1.750-18*

Ordering Information2 CN1021 A 10 G 05 P N - 000

Order Code (Deviations)
Series Designation
000 - Less Contacts
CN1021
100 - * See below
200 - With Gold-Plated Contacts
Series Modification
A - Square-Flange Mount
Alternate Shell Position
C - Square-Flange with Clinch Nuts
N, 6, 7, 8, 9, 10
Per table on page 3-4.
Shell Size
8, 10, 12, 14, 16, 18, 20, 22, 24, 26, 28 Contact Style
P - Pin
Environmental Class S - Socket
A - Anodized Aluminum
G - Cadmium/Nickel-Plated Aluminum Insert Arrangements
(See page 3-4)

Notes:
1
For Boeing Specification, see page 3-14.
2
For modifications, classes, etc. not listed, consult factory.
• For mounting hole dimensions, see page 3-20.
* Th’d: UNS-2A
** Size 28 = 1.457 (37.008)
* Former order code - 100 designated rhodium plated contacts

3-18 Call Toll Free: 1 (800) 323-9612

 C0909A MMB Series (C48 Family)
Vibration-Proof Plug Connector

1.345
Bayonet Coupling (34.164)
C0909AXXXXXXX Max.
BACC63BN1

Dimensions

3 Shell
A
Dia.
B
Dia.
C
Max.
D
Thread
Size in mm in mm in mm UNEF-2A
8 .328 8.331 .437 11.100 .766 19.456 .437-28
10 .420 10.668 .562 14.275 .906 23.012 .562-24
12 .580 14.732 .750 19.050 1.078 27.381 .750-20
14 .664 16.866 .812 20.625 1.141 28.981 .812-20
16 .769 19.533 .938 23.825 1.266 32.156 .937-20
18 .902 22.911 1.062 26.975 1.375 34.925 1.062-18
20 1.033 26.238 1.182 30.023 1.510 38.354 1.187-18
22 1.152 29.261 1.312 33.325 1.625 41.275 1.312.18
24 1.282 32.253 1.432 36.373 1.760 44.704 1.437-18

Ordering Information2 C0909A 10 - 05 P 8 - XXX

Order Code (Deviations)

Series Designation
202 - With Gold-Plated Contacts*
C0909A
106 - Less Contacts
Shell Size Alternate Shell Positions
8, 10, 12, 14, 16, 18, 20, 22, 24 N, 6, 7, 8, 9, 10
Class Per table on page 3-4.
(Dash) - Anodized Aluminum Contact Style
E - Cadmium/Nickel-Plated Aluminum P - Pin Insert
N - Nickel-Plated Aluminum S - Socket Insert
Insert Arrangements
(See page 3-4)

Notes:
1
For Boeing Specification, see page 3-14.
2
For deviations, classes, etc. not listed, consult factory.
* Former order code - 102 designated rhodium plated contacts

Call Toll Free: 1 (800) 323-9612 3-19

C48 Series & C48 Family
Mounting Panel Data

Square-Flange Mount

Single-Hole Mount
(Jam-Nut Mount)
3

Dimensions

M N G H K
Shell Min. Min. +.005 (.127) +.005 (.127) +.005 (.127)
Size in mm in mm in mm in mm in mm
8 .620 15.748 .447 11.354 .605 15.638 .635 16.129 .594 15.088
10 .748 18.999 .572 14.529 .730 18.542 .760 19.304 .719 18.263
12 .913 23.190 .760 19.304 .917 23.292 .947 24.054 .812 20.625
14 .980 24.892 .822 20.879 .980 24.892 1.010 25.654 .906 23.013
16 1.107 28.119 .948 24.079 1.105 28.067 1.135 28.829 .969 24.613
18 1.209 30.709 1.072 27.229 1.225 31.115 1.260 32.004 1.062 26.975
20 1.337 33.906 1.192 30.277 1.350 34.290 1.385 35.179 1.156 29.363
22 1.452 36.881 1.322 33.579 1.475 37.465 1.510 38.354 1.250 31.750
24 1.577 40.056 1.442 36.627 1.600 40.640 1.635 41.529 1.375 34.925
28 1.827 46.406 1.760 44.704 1.856 47.143 1.885 47.879 1.562 39.675

Recommended Minimum Torque for Jam Nut

Shell Size 8 10 12 14 16 18 20 22 24
Torque (Inch/lb.) 28 36 56 64.5 69 81 102 122.5 144

3-20 Call Toll Free: 1 (800) 323-9612