NATO Stock Number
5305-00-498-0636
Sold in multiples of
100 EA
DEMIL
NO
Thread Class
2a
Thread Direction
Right-hand
Thread Length
Between 0.526 inches and 0.656 inches
Fastener Length
Between 0.609 inches and 0.656 inches
Head Style
Pan
Head Diameter
Between 0.594 inches and 0.615 inches
Head Height
Between 0.203 inches and 0.218 inches
Locking Feature
Strip threads
Internal Drive Style
High-torque
Thread Diameter
0.312 inches
Thready Qty Per Inch (tpi)
24
Min. Tensile Strength (psi)
160000 pounds per square inch
Hardness Rating
36.0 rockwell c and 40.0 rockwell c
Material
Steel comp 4140 or steel comp e4340 or steel comp 6150 or steel comp 8735 or steel comp 8740
Material Specification
Mil-s-5626 military specification 1st material response or mil-s-5000 military specification 2nd material response or mil-s-8503 military specification 3rd material response or mil-s-6098 military specification 4th material response or mil-s-6049 military specification 5th material response
Surface Treatment
Cadmium and chromate
Surface Treatment Specification
Qq-p-416, type 2, cl 3 federal specification single treatment response
Thread Series Designator
Unf