NATO Stock Number
5305-01-159-2777
Sold in multiples of
100 EA
DEMIL
NO
Thread Direction
Right-hand
Thread Length
16.2 millimeters
Fastener Length
Between 19.20 millimeters and 20.00 millimeters
Head Style
Hexagon
Head Height
Between 4.1 millimeters and 4.7 millimeters
Width Between Flats
Between 9.78 millimeters and 10.00 millimeters
Washer Quantity
1
Thread Diameter
6.0 millimeters
Hardness Rating
40.0 rockwell c primary washer and 48.0 rockwell c primary washer
Thread Pitch In Millimeters
1.0
Primary Washer Outside Diameter
Between 12.07 millimeters and 12.50 millimeters
Primary Washer Style
Spring tension
Primary Washer Material Thickness
Between 1.5 millimeters and 1.8 millimeters
Material
Steel
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 4435-m code a fscm 11862 mfr ref single treatment response
Thread Series Designator
M