AIRBUS ®

DAN169
Issue 9
Page 1 of 8
April 2014

Aerospace series
Screw 100° with washer

“When this standard is applied, a careful check must be made as to whether any protective rights exist. This
standard issuer hereby disclaims any liability for infringement of patent or design rights resulting from the use of
this standard'

Published and distributed by :

AIRBUS
AIRBUS
INDUSTRIE
S.A.S.
ENGINEERING DIRECTORATE
31707 BLAGNAC Cedex
FRANCE

© Copyright AIRBUS S.A.S. 2003. All rights reserved

Ref. no. DAN169
DAN169 Page 2
Issue 9

Contents

1 Scope

2 Normative references

3 Requirements

4 Designation

5 Marking

6 Technical specification
 DAN169 Page 3
Issue 9

1 Scope
This standard specifies the dimensions, tolerances of Screw 100° with washer for use in aerospace
applications.

2 Normative references
This Airbus Standard incorporates by dated or undated reference provisions from other publications. All
normative references cited at the appropriate places in the text are listed hereafter. For dated references,
subsequent amendments to or revisions of any these publications apply to this Airbus Standard only when
incorporated in it by amendment of revision. For undated references, the latest issue of the publication
referred to shall be applied.

3
EN4473 Aerospace series – Aluminium pigmented coatings – Technical specification
3
EN6117 Aerospace series – Specification for lubrication of fasteners with cetyl alcohol

ISO2768-1 General tolerances. Tolerances for linear and angular dimension without individual
tolerance indications
4
EN2424 Aerospace series - Marking of aerospace products
AMS5525 Steel, corrosion and heat resistant, sheet, strip and plate 15Cr – 25.5Ni – 1.2 Mo – 2.1Ti
1
– 0.006B – 0.30V consumable electrode melted 1800°F (982°C) solution heat treated
AMS5737 Steel, corrosion and heat resistant, bars, wire, forgings, and tubing 15Cr – 25.5Ni – 1.2
Mo – 2.1Ti – 0.006B – 0.30V consumable electrode melted 1650°F (899°C) solution and
1
precipitation heat treated
AMS5853 Steel, corrosion and heat resistant, bars, wire, 15Cr – 25.5Ni – 1.2 Mo – 2.1Ti – 0.006B –
0.30V consumable electrode melted 1800°F (982°C) solution treated and work-
1
strengthened, 160 ksi (1103 Mpa) Tensile strength
1
AMS4928 Titanium alloys bars, wire, forgings, and rings 6Al-4V annealed
1
AMS4967 Titanium alloys bars, wire, forgings, and rings 6.0Al-4.0V annealed, heat treatable
1
AMS2700 Passivation of corrosion resistant steels
NAS4003 Fastener, A286 corrosion resistant alloy externally threaded, 160 ksi Ftu, 95 KSI Fsu,
1
1000° F
1
NAS4004 Fastener, 6al-4v titanium alloy, externally threaded, 160 ksi ftu, 95 ksi fsu, 450 °F
2
MIL-PRF-46010 Lubricant, solid film, heat cured, corrosion inhibiting
1
AS8879 Screw threads, controlled radius root with increased minor diameter
1
NASM33781 Recess-offset cruciform, dimensions of recess, gage and driver for
AIC color code Airbus interior color (AIC) – code list

1
Published by: Society of Automotive Engineers (SAE), 400 Commonwealth Drive, Warrendale, PA 15096-0001, USA
2
Published by: Department of Defense (DoD), the Pentagon, Washington, D.C., 20307,USA
3
Published as ASD Prestandard at the date of publication of this standard
4
Published as ASD Standard at the date of publication of this standard
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Issue 9

3 Requirements

3.1 Configuration, dimensions, mass and tolerances

The configuration, dimensions and tolerances and mass shall be in accordance with figure 1 and table 2 and
table 3.
Tolerances not specified, shall be in accordance with ISO2768-m.
Material shall be in accordance with table 1.
Coating in accordance with EN4473 is not required under the countersunk head of the screw and in the
dimpled countersink of the washer.
For painted fasteners, the only surface to be painted is the upper surface of the head and washer. See
Figure 1.

3.2 Material, tensile strength, surface finish and lubrication

Table 1: Material, tensile strength, surface finish and lubrication

Material Surface
Element Material Min. tensile strength Lubrication
code finish
Corrosion
resisting steel
per Thread with dry film
Screw 1103 MPa (160 ksi)
AMS5737 Passivated to MIL-PRF-46010
E or to
AMS5853 AMS 2700
Corrosion
Washer resisting steel 965 MPa (140 ksi) None
per AMS5525
Titanium alloy
per AMS4928
Screw 1103 MPa (160 ksi) Aluminium
or
Coating as Cetyl alcohol as per
K AMS4967
per EN4473, EN6117
Corrosion
type II
Washer resisting steel 965 MPa (140 ksi)
per AMS5525
Titanium alloy Sulphuric-
per AMS4928 acid Cetyl alcohol as per
Screw 1103 MPa (160 ksi)
or anodizing as EN6117
T AMS4967 per ISO8080
Corrosion Passivated
Washer resisting steel 965 MPa (140 ksi) to None
per AMS5525 AMS2700

Table 2: Paint code/ specification

Paint Code Colour Specification
- No paint -
C Black AIC code 26.1
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Issue 9

L Intended marking raised or depressed max. 0,25mm;

K -Manufacturer's treadmark
-Standard part number

R
Ø 9±0,5
100°

D1
D2

Off-set Cruciform Recess

per NASM33781

D3
0,4+0,1
Ø16+0,5
Area to be
painted
5°±2°

Coating -
See
Section 3

Figure 1: Configuration
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Issue 9

Table 3: Dimensions
Dimensions in millimeters
Dia. Thread D1 D2 D3 K R
Dash
-no AS8879 max Ref. min max min max min max
3 .1900-32 UNJF-3A 4,8 5,56 9,5 10,3 2,2 2,5 0,25 0,5

Table 4: Dimensions and mass (continued)

L Mass
Length
kg/1000
dash-no. mm inch pieces
6 9,53 3/8 1,6
7 11,11 7/16 1,9
8 12,70 1/2 2,2
9 14,29 9/16 2,4
10 15,88 5/8 2,7
11 17,46 11/16 3,0
12 19,05 3/4 3,2
13 20,64 13/16 3,5
14 22,23 7/8 3,8
15 23,81 15/16 4,0
16 25,40 1 4,3
17 26,99 1 1/16 4,6
18 28,58 1 1/8 4,9
19 30,16 1 3/16 5,1
20 31,75 1 1/4 5,4
21 33,34 1 5/16 5,7
22 34,93 1 3/8 5,9
23 36,51 1 7/16 6,2
24 38,10 1½ 6,5
25 39,69 1 9/16 6,7
26 41,28 1 5/8 7,0
27 42,86 1 11/16 7,3
28 44,45 1¾ 7,6
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Issue 9

4 Designation
This type of Standard shall be designated according to the philosophy of the following example:

Description block Identity block

Screw DAN169 E 3 - 12

Number of this standard

Material code (See table 1)

Dia dash-no. (see table 3)

Color code (see table 2)

Length dash-no. (see table 4)

5 Marking
As per EN2424, Style A for unpainted parts

As per EN2424 Style G for Painted parts (Bag and label only required).

6 Technical specification
NAS4003 (Material code E), except the cold working by rolling process in the juncture of the screw head and
the shank.
NAS4004 (Material code K), except the cold working by rolling process in the juncture of the screw head and
the shank.
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Issue 9

RECORD OF REVISIONS

Clause
Issue Description of modification
modified

Rev. standard Revised standard in English version.

Chapter 2 MIL-B-87114 is canceled and replaced by NAS4003

MIL-S-5002 and ASTM-A967 are canceled and replaced by AMS2700

7
MIL-S-8879 is cancelled and replaced by AS8879
06/06
Table 2 New grips added: 6; 7; 9; 13; 15; 16; 17; 18; 19; 20; 21; 22; 23; 24; 25; 26; 27; 28

Table 3.2 Screw: Additional material in accordance with AMS5853

Washer: AMS5510 is cancelled and replaced by AMS5525

Table 1 Titanium material added for A350 weight saving.

Table 2 New table 2 added to add painted variant for A350 cockpit.
8
Table 3 Dimension D2: Min. replaced by Ref.
06/13
Figure 1 Revised.

Section 5 Part Marking.

9 Page 4 Table 1: Material code “T” added.

04/14