Worldwide distributor of NSN parts and consumables located in the USA.
National Stock Number (NSN) | 5305-00-807-6688 |
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 | 0.456 inches |
Fastener Length | Between 0.691 inches and 0.721 inches |
Head Style | Flat countersunk |
Head Diameter | Between 0.449 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 | 0.250 inches |
Thready Qty Per Inch (tpi) | 28 |
Min. Tensile Strength (psi) | 180000 pounds per square inch |
Hardness Rating | 36.0 rockwell c and 40.0 rockwell c |
Countersink Angle | Between 99.0 degrees and 101.0 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 |
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 |
Surface Treatment Specification | Nas 672 assn standard single treatment response |
Thread Series Designator | Unf |
Specification Data | 80205-nas2804 professional/industrial association standard |
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