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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