Worldwide distributor of NSN parts and consumables located in the USA.
National Stock Number (NSN) | 5306-00-637-8641 |
Alternate Part Number | N/A |
Federal Supply Class (FSC) | 5306 |
Unit of Measure (UOM) | 1 /Ea. |
Thread Class | 3a |
Thread Direction | Right-hand |
Thread Length | 0.475 inches |
Fastener Length | Between 0.860 inches and 0.890 inches |
Head Style | Bevel-conical |
Head Diameter | Between 0.428 inches and 0.438 inches |
Head Height | 0.250 inches |
Hole Diameter | 0.037 inches |
Internal Drive Style | Hexagon |
Thread Diameter | 0.250 inches |
Width Across Flats | Between 0.188 inches and 0.190 inches |
Hole Quantity | 4 |
Hole Type | Drilled |
Thready Qty Per Inch (tpi) | 28 |
Min. Tensile Strength (psi) | 160000 pounds per square inch |
Hardness Rating | 34.0 rockwell c and 40.0 rockwell c |
Hole Configuration Style | Round longitudinal hole |
Material | Steel comp 4140 or steel comp e4340 or steel comp 6150 or steel comp 8735 or steel comp 8740 |
Material Specification | Mil-s-5626 military specification 1st material response or mil-s-5000 military specification 2nd material response or mil-s-8503 military specification 3rd material response or mil-s-6098 military specification 4th material response or mil-s-6049 military specification 5th material response |
Surface Treatment | Cadmium and chromate |
Surface Treatment Specification | Qq-p-416, type 2 cl 2 federal specification single treatment response |
Thread Series Designator | Unf |
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