e Metric L-Drawing L200K

General Electric Company Issue No: S1

April 30, 2017

Metric Stainless Steel Hex Nut, Style 1, PC A4-70

DESCRIPTION: (C2F100D3) REFERENCE ANSI B18.2.4.1M and ISO 4032
American National Standard and ISO metric hex nut, Style 1 
Style 1
MATERIAL: Stainless steel, alloy group A4, Property Class 70, Source ID M
M
700 MPa proof load stress, conforming to ASTM F 836M S C
and ISO 4032

SCREW THREADS: Coarse threads.

(ISO) Tolerance Class 6H – unplated. E DW DW DW
MARKINGS: PC A4-70 and registered source ID.
Alternate
All dimensions are in millimeters. A4-70
Marking
Location
NOTE: Washer-face form may be ordered separately.

The EMPIS Specification takes precedence over the DIN, EN & ISO specification.
THREAD SIZE M1.6♦ M2♦ M2.5♦ M3♦ M4♦ M5♦ M6♦ M8♦ M10♦ M12♦
PITCH 0.35 0.4 0.45 0.5 0.7 0.8 1 1.25 1.5 1.75
max 0.20 0.20 0.30 0.40 0.40 0.50 0.50 0.60 0.60 0.60
C Washer face thickness
min 0.10 0.10 0.10 0.15 0.15 0.15 0.15 0.15 0.15 0.15
Dw Bearing face diameter min 2.4 3.1 4.1 4.6 5.9 6.9 8.9 11.6 14.6 16.6
max 3.70 4.62 5.77 6.35 8.08 9.24 11.55 15.01 18.45 20.28
E Width across corners
min 3.41 4.32 5.45 6.01 7.66 8.79 11.05 14.38 17.77 20.03
max 1.30 1.60 2.00 2.40 3.20 4.70 5.20 6.80 8.40 10.80
M Thickness
min 1.05 1.35 1.75 2.15 2.90 4.40 4.90 6.44 8.04 10.37
max 3.20 4.00 5.00 5.50 7.00 8.00 10.00 13.00 16.00 18.00
S Width across flats
min 3.02 3.82 4.82 5.32 6.78 7.78 9.78 12.73 15.73 17.33
PART NUMBER 5 7 9 10 12 14 15 17 19 21

THREAD SIZE M16♦ M20♦ M24♦ M30♦ M36♦ M42♦ M48♦ M56♦ M64♦
PITCH 2 2.5 3 3.5 4 4.5 5 5.5 6
max 0.8 0.8 0.8 0.8 0.8 1.0 1.0 1.0 1.0
C Washer face thickness
min 0.2 0.2 0.2 0.2 0.2 0.3 0.3 0.3 0.3
Dw Bearing face diameter min 22.5 27.7 33.2 42.7 51.1 60 69.5 78.7 88.2
max 27.71 34.64 41.57 53.12 63.51 – – – –
E Width across corners
min 26.75 32.95 39.55 50.85 60.79 71.3 82.6 93.56 104.86
max 14.80 18.00 21.50 25.60 31.00 34.0 38.0 45.0 51.0
M Thickness
min 14.10 16.90 20.20 24.30 29.40 32.4 36.4 43.4 49.1
max 24.00 30.00 36.00 46.00 55.00 65.0 75.0 85.0 95.0
S Width across flats
min 23.67 29.16 35.00 45.00 53.80 63.1 73.1 82.8 92.8
PART NUMBER 25 29 33 37 41 45 50 53 57
FINISH: PASSIVATED unless otherwise specified. ♦ PREFERRED SIZE
Other finishes available, tabulated on L9991 –  Metric “Standards” cross reference chart tabulated on L9992
Finish Suffix Chart.
PT NO. FINISH EMPIS FINISH
SUFFIX DESCRIPTION REFERENCE
None Passivated –
H5 0.013 mm silver plate F70H2C

PART NUMBER EXAMPLE: L200KP19 identifies a M10 x 1.5 mm stainless steel hex nut, Style 1.

This drawing and latest issue of the specification completely define the part.
GENERAL ELECTRIC STANDARD Drawing No.
SPECIFICATION
Nut L200K
C2F100 Hex, Style 1, PC A4-70 Page 1 of 1

 Supersedes Issue of: CAGE IDENT NO. 09172