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: 1/2", thread: 1/4-28, socket head screw, drilled head, cadmium plated alloy steel
| National Stock Number (NSN) | 5305-00-099-7839 |
| 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 0.412 inches and 0.516 inches |
| Fastener Length | Between 0.484 inches and 0.516 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 |
| Hole Diameter | 0.036 inches |
| Internal Drive Style | Hexagon |
| Thread Diameter | 0.250 inches |
| Width Across Flats | Between 0.187 inches and 0.190 inches |
| Hole Quantity | 1 |
| Hole Type | Drilled |
| Thready Qty Per Inch (tpi) | 28 |
| Min. Tensile Strength (psi) | 170000 pounds per square inch |
| Hardness Rating | 38.0 rockwell c and 45.0 rockwell c |
| Minimum Yield Strength | 150000 pounds per square inch |
| Hole Configuration Style | Hexagon flats |
| Material | Steel |
| Surface Treatment | Cadmium and chromate |
| Surface Treatment Specification | Ams-qq-p-416, type 2, cl 2 federal specification all treatment responses |
| Thread Series Designator | Unrf |
| Specification Data | 80205-nas1351 professional/industrial association standard |
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