NATO Stock Number
5320-01-006-3989
Sold in multiples of
EA
DEMIL
NO
Thread Class
3a
Thread Direction
Right-hand
Fastener Length
Between 1.365 inches and 1.385 inches
Head Style
Flush countersunk
Width Between Flats
Between 0.1270 inches and 0.1295 inches
Shank Diameter
Between 0.311 inches and 0.312 inches
Shank Style
Pin-rivet, straight, threaded
Head Major Diameter
Between 0.4689 inches and 0.4739 inches
Lubrication
Cetyl alcohol
Grip Length
0.880 inches
Thready Qty Per Inch (tpi)
24
Min. Tensile Strength (psi)
160000 pounds per square inch
Thread Size
0.312 inches
Shear Strength
95000 single pounds per square inch
Countersink Angle
100.0 degrees
Material
Steel comp e4340 or steel comp 4340 or steel comp 4140 or steel comp 8740
Material Specification
Mil-s-5000 military specification 1st material response or mil-s-5000 military specification 2nd material response or mil-s-5626 military specification 3rd material response or mil-s-6049 military specification 4th material response
Surface Treatment
Cadmium
Surface Treatment Specification
Qq-p-416, type 1, cl 2 federal specification single treatment response
Thread Series Designator
Unjf