NATO Stock Number
5306-00-159-5578
Sold in multiples of
50 EA
DEMIL
NO
Thread Class
2a
Thread Direction
Right-hand
Thread Length
1.250 inches
Fastener Length
Between 1.438 inches and 1.562 inches
Head Style
Button
Head Diameter
Between 1.032 inches and 1.094 inches
Head Height
Between 0.250 inches and 0.270 inches
Neck Length
Between 0.250 inches and 0.281 inches
Thread Diameter
0.500 inches
Thready Qty Per Inch (tpi)
13
Min. Tensile Strength (psi)
55000 pounds per square inch
Hardness Rating
95.0 rockwell b
Neck Width
Between 0.492 inches and 0.515 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
Nondefinitive Specification/std Data
1 type or a style or 1 class
