NATO Stock Number
5306-00-006-2269
Sold in multiples of
1 BX
DEMIL
NO
Thread Class
2a
Thread Direction
Right-hand
Thread Length
0.875 inches
Fastener Length
Between 3.969 inches and 4.031 inches
Head Style
Button
Head Diameter
Between 0.688 inches and 0.719 inches
Head Height
Between 0.156 inches and 0.176 inches
Neck Length
Between 0.156 inches and 0.187 inches
Thread Diameter
0.312 inches
Thready Qty Per Inch (tpi)
18
Min. Tensile Strength (psi)
55000 pounds per square inch
Hardness Rating
95.0 rockwell b
Neck Width
Between 0.307 inches and 0.324 inches
Material
Steel
Material Specification
Astm-307 grade a 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 and a style
