NATO Stock Number
5305-01-162-7885
Sold in multiples of
50 EA
DEMIL
NO
Thread Direction
Right-hand
Thread Length
16.12 millimeters
Fastener Length
Between 19.20 millimeters and 20.00 millimeters
Head Style
Hexagon
Head Height
Between 5.28 millimeters and 5.84 millimeters
Width Between Flats
Between 12.73 millimeters and 13.00 millimeters
Washer Quantity
1
Internal Drive Style
W/o internal drive
Hardness Rating
40.0 rockwell c primary washer and 48.0 rockwell c primary washer
Thread Pitch In Millimeters
1.25
Nonmachine Thread Style
Dog type (type b or c)
Primary Washer Outside Diameter
Between 23.48 millimeters and 24.00 millimeters
Primary Washer Style
Spring tension
Primary Washer Material Thickness
Between 2.30 millimeters and 2.63 millimeters
Nonmachine Thread Diameter
8.0 millimeters
Material
Steel primary washer
Material Specification
Gm 500-m 9.8 fscm 11862 mfr ref single material response fastener
Material Specification
Sae assn standard all material responses primary washer
Surface Treatment
Phosphate
Surface Treatment Specification
Gm 6174-m, fscm 11862 mfr ref single treatment response
