NATO Stock Number
5306-00-057-2510
Sold in multiples of
50 EA
DEMIL
NO
Thread Class
2a
Thread Direction
Right-hand
Thread Length
1.000 inches
Fastener Length
Between 2.219 inches and 2.281 inches
Head Style
Button
Head Diameter
Between 0.782 inches and 0.844 inches
Head Height
Between 0.188 inches and 0.208 inches
Neck Length
Between 0.188 inches and 0.219 inches
Thread Diameter
0.375 inches
Thready Qty Per Inch (tpi)
16
Min. Tensile Strength (psi)
55000 pounds per square inch
Hardness Rating
95.0 rockwell b
Neck Width
Between 0.368 inches and 0.388 inches
Material
Steel
Material Specification
Sae gr 1 assn standard single material response
Surface Treatment
Cadmium or zinc
Surface Treatment Specification
Qq-p-416, type 2, cl 3 federal specification 1st treatment response or qq-z-325, type 2, cl 3 federal specification 2nd treatment response
Thread Series Designator
Unc