Worldwide distributor of NSN parts and consumables located in the USA.
Length: 0.675", grip: 0.250", thread: 1/4-28, hex head, tension, long thread, cadmium plated corrosion resistant steel
National Stock Number (NSN) | 5306-01-229-5554 |
Alternate Part Number | N/A |
Federal Supply Class (FSC) | 5306 |
Unit of Measure (UOM) | 10 /Ea. |
Thread Class | 3a |
Thread Direction | Right-hand |
Thread Length | Between 0.410 inches and 0.440 inches |
Fastener Length | Between 0.660 inches and 0.690 inches |
Head Style | Dished hexagon |
Head Height | Between 0.125 inches and 0.140 inches |
Width Between Flats | Between 0.430 inches and 0.439 inches |
Grip Diameter | Between 0.2485 inches and 0.2495 inches |
Thread Diameter | 0.250 inches |
Grip Length | Between 0.240 inches and 0.260 inches |
Thready Qty Per Inch (tpi) | 28 |
Min. Tensile Strength (psi) | 160000 pounds per square inch |
Surface Finish | 125.0 microinches top of head |
Surface Finish | 132.0 microinches sides of head |
Surface Finish | 32.0 microinches bearing surface of head |
Surface Finish | 32.0 microinches grip |
Surface Finish | 32.0 microinches threads |
Material | Iron alloy 660 |
Material Specification | Ams 5731 assn standard single material response or ams 5737 assn standard single material response |
Surface Treatment | Passivate and chromate |
Surface Treatment Specification | Qq-p-416, type 2, class 3 federal specification all treatment responses |
Thread Series Designator | Unjf |
Specification Data | 80205-nas6704 professional/industrial association standard |
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