Worldwide distributor of NSN parts and consumables located in the USA.
Length: 2.495", grip: 2.125", thread: 1/4-28, hex head, drilled shank, tension, short thread, cadmium plated alloy steel
National Stock Number (NSN) | 5306-01-171-5308 |
Alternate Part Number | N/A |
Federal Supply Class (FSC) | 5306 |
Unit of Measure (UOM) | 2 /Ea. |
Thread Class | 3a |
Thread Direction | Right-hand |
Thread Length | Between 0.345 inches and 0.395 inches |
Fastener Length | Between 2.480 inches and 2.510 inches |
Head Style | Dished hexagon |
Head Height | Between 0.125 inches and 0.140 inches |
Width Between Flats | Between 0.429 inches and 0.439 inches |
Grip Diameter | Between 0.2485 inches and 0.2495 inches |
Shank Unthreaded Hole Diameter | 0.076 inches first hole and 0.086 inches first hole |
Thread Diameter | 0.250 inches |
Grip Length | Between 2.115 inches and 2.135 inches |
Thready Qty Per Inch (tpi) | 28 |
Min. Tensile Strength (psi) | 160000 pounds per square inch |
Hardness Rating | 36.0 rockwell c and 40.0 rockwell c |
Distance From Head Largest Bearing Surface To Shank Hole Center | 2.300 inches first hole and 2.350 inches first hole |
Surface Finish | 32.0 microinches bearing surface of head |
Surface Finish | 32.0 microinches grip |
Surface Finish | 32.0 microinches threads |
Material | Steel comp e4340 or steel comp 8740 |
Material Specification | Mil-s-5000 military specification 1st material response or mil-s-6049 military specification 2nd material response or ams 6322 assn standard 2nd 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 |
Specification Data | 80205-nas6204 professional/industrial association standard |
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