NATO Stock Number
5320-01-334-3688
Sold in multiples of
100 EA
DEMIL
NO
Thread Class
3a
Thread Direction
Right-hand
Fastener Length
Between 1.490 inches and 1.510 inches
Head Style
Countersunk w/reverse chamfer
Head Height
Between 0.0658 inches and 0.0679 inches
Width Between Flats
Between 0.1270 inches and 0.1295 inches
Shank Diameter
Between 0.3110 inches and 0.3120 inches
Shank Style
Pin-rivet, straight, threaded
Head Major Diameter
Between 0.4689 inches and 0.4739 inches
Lubrication
Cetyl alcohol, specification 305, hi-shear corp
Grip Length
Between 0.995 inches and 1.010 inches
Thready Qty Per Inch (tpi)
24
Min. Tensile Strength (psi)
180000 pounds per square inch
Thread Size
0.312 inches
Shear Strength
108000 single pounds per square inch
Countersink Angle
100.0 degrees
Material
Steel comp e4340 or steel comp 4140 or steel comp 8740
Material Specification
Mil-s-5000 military specification 1st material response or mil-s-5626 military specification 2nd material response or mil-s-6049 military specification 3rd material response
Surface Treatment
Cadmium and chromate
Surface Treatment Specification
Qq-p-416, type 2, cl 2 federal specification single treatment response
Thread Series Designator
Unjf