NATO Stock Number
5305-00-042-0464
Sold in multiples of
1 HD
DEMIL
NO
Thread Class
2a
Thread Direction
Right-hand
Thread Length
0.438 inches
Fastener Length
0.438 inches
Head Style
Round
Head Diameter
Between 0.287 inches and 0.309 inches
Head Height
Between 0.107 inches and 0.119 inches
Washer Quantity
1
Internal Drive Style
Cross recess type 1
Thread Diameter
0.164 inches
Thready Qty Per Inch (tpi)
32
Hardness Rating
40.0 rockwell c primary washer and 50.0 rockwell c primary washer
Primary Washer Outside Diameter
Between 0.327 inches and 0.338 inches
Primary Washer Style
Flat internal teeth
Primary Washer Material Thickness
0.020 inches
Material
Steel or steel comp 1010 or steel comp 1050 or steel comp 1566
Material Specification
Sae assn standard all material responses
Surface Treatment
Cadmium or zinc
Surface Treatment Specification
Qq-p-416, type 1, cl 3 federal specification 1st treatment response or qq-z-325, type 1, cl 3 federal specification 2nd treatment response
Thread Series Designator
Unc
