NationalStockNumber.INFO
Worldwide distributor of NSN parts and consumables located in the USA.
Worldwide distributor of NSN parts and consumables located in the USA.
Length: 5/8", thread: 1/4-28, socket head, cap screw, self-locking, cadmium plated alloy steel
| National Stock Number (NSN) | 5305-00-983-6659 |
| Alternate Part Number | N/A |
| Federal Supply Class (FSC) | 5305 |
| Unit of Measure (UOM) | 10 /Ea. |
| Thread Class | 3a |
| Thread Direction | Right-hand |
| Thread Length | Between 0.523 inches and 0.625 inches |
| Fastener Length | Between 0.594 inches and 0.625 inches |
| Head Style | Flat chamfer |
| Head Diameter | Between 0.365 inches and 0.375 inches |
| Head Height | Between 0.244 inches and 0.250 inches |
| Internal Drive Style | Hexagon |
| Thread Diameter | 0.250 inches |
| Width Across Flats | Between 0.188 inches and 0.190 inches |
| Thready Qty Per Inch (tpi) | 28 |
| Min. Tensile Strength (psi) | 180000 pounds per square inch |
| Hardness Rating | 38.0 rockwell c and 45.0 rockwell c |
| Minimum Yield Strength | 155000 pounds per square inch |
| Material | Steel |
| Surface Treatment | Cadmium and chromate |
| Surface Treatment Specification | Qq-p-416 ty2 cl2 federal specification single treatment response |
| Thread Series Designator | Unf |
| Nondefinitive Specification/std Data | 6 type |
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