NATO Stock Number
5306-01-160-7553
Sold in multiples of
100 EA
DEMIL
NO
Thread Class
2a
Thread Direction
Right-hand
Thread Length
0.914 inches
Fastener Length
Between 0.969 inches and 1.000 inches
Head Style
Hexagon countersunk
Head Height
Between 0.165 inches and 0.180 inches
Width Between Flats
Between 0.305 inches and 0.312 inches
Washer Quantity
1
Thread Diameter
0.190 inches
Thready Qty Per Inch (tpi)
24
Hardness Rating
40.0 rockwell c primary washer and 50.0 rockwell c primary washer
Countersink Angle
Between 80.0 degrees and 82.0 degrees
Primary Washer Style
Countersink external teeth
Primary Washer Material Thickness
Between 0.019 inches and 0.025 inches
Material
Steel
Material Specification
Aisi assn standard single material response primary washer
Material Specification
Sae grade 2 assn standard all material responses fastener
Surface Treatment
Zinc
Surface Treatment Specification
Gm 4342-m code 20 fscm 11862 mfr ref single treatment response
Thread Series Designator
Unc
