NATO Stock Number
5320-00-419-3813
Sold in multiples of
50 EA
DEMIL
NO
Thread Class
3a
Thread Direction
Right-hand
Fastener Length
Between 1.375 inches and 1.395 inches
Head Height
Between 0.093 inches and 0.105 inches
Width Between Flats
Between 0.189 inches and 0.193 inches
Shank Diameter
Between 0.436 inches and 0.437 inches
Shank Style
Pin-rivet, straight, threaded
Head Major Diameter
Between 0.641 inches and 0.676 inches
Lubrication
Cetyl alcohol
Grip Length
Between 0.745 inches and 0.755 inches
Min. Tensile Strength (psi)
180000 pounds per square inch
Thread Size
0.438 inches
Shear Strength
108000 single pounds per square inch
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 2, cl 3 federal specification single treatment response
Thread Series Designator
Unjf