Worldwide distributor of NSN parts and consumables located in the USA.
Length: 0.965", thread: 1/4-28, shear 100° , flush head bolt, alloy steel, offset cruciform
National Stock Number (NSN) | 5305-01-057-8144 |
Alternate Part Number | N/A |
Federal Supply Class (FSC) | 5305 |
Unit of Measure (UOM) | 5 /Ea. |
Thread Class | 3a |
Thread Direction | Right-hand |
Thread Length | Between 0.378 inches and 0.428 inches |
Fastener Length | Between 0.950 inches and 0.980 inches |
Head Style | Flat countersunk |
Head Diameter | Between 0.464 inches and 0.507 inches |
Grip Diameter | Between 0.2485 inches and 0.2495 inches |
Internal Drive Style | Offset cruciform (torque set) |
Thread Diameter | 0.250 inches |
Grip Length | Between 0.552 inches and 0.572 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 |
Countersink Angle | 100.0 degrees |
Surface Finish | 32.0 microinches grip |
Surface Finish | 32.0 microinches threads |
Material | Steel comp 4140 or steel comp e4340 or steel comp 6150 or steel comp 8735 or steel comp 8740 |
Surface Treatment | Cadmium and chromate |
Thread Series Designator | Unjf |
Specification Data | 80205-nas1580 professional/industrial association standard |
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