31FK813: NUT,SELF-LOCKING,HEXAGON.
The NUT,SELF-LOCKING,HEXAGON is a the manufacturer industrial component. Key specifications include material: STEEL COMP 1137 OVERALL, nut_style: HEXAGON, nut_height: 0.312 INCHES NOMINAL IN, lubrication: SOLUBLE LUBRICANT, temp_rating: 550.0 FAHRENHEIT NOMINAL DEGF, thread_class: 2B. This part is cataloged in the U.S.
Government catalog under NSN 5310-00-809-0309, indicating validated use in U.S. government and defense logistics supply chains. Available through authorized enterprise resellers and TPM (Third Party Maintenance) channels.
Verify compatibility with your specific system configuration before ordering.
| material | STEEL COMP 1137 OVERALL |
| nut_style | HEXAGON |
| nut_height | 0.312 INCHES NOMINAL IN |
| lubrication | SOLUBLE LUBRICANT |
| temp_rating | 550.0 FAHRENHEIT NOMINAL DEGF |
| thread_class | 2B |
| thread_series | UNIFIED NATIONAL COARSE (UNC) |
| locking_feature | PREVAILING TORQUE ALL METAL DESIGN |
| thread_direction | RIGHT-HAND |
| surface_treatment | CADMIUM OVERALL |
| width_across_flats | 0.813 INCHES NOMINAL IN |
| nominal_thread_size | 0.500 INCHES IN |
| NSN | 5310-00-809-0309 |
| LUBRICATION | SOLUBLE LUBRICANT |
| WIDTH ACROSS FLATS | 0.813 INCHES NOMINAL IN |
| BEARING SURFACE FINISH | 125.0 MICROINCHES |
| THREAD SERIES | UNIFIED NATIONAL COARSE (UNC) |
| TEMP RATING | 550.0 FAHRENHEIT NOMINAL DEGF |
| MATERIAL DOCUMENT AND CLASSIFICATION | MIL-S-866 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL |
| THREAD DIRECTION | RIGHT-HAND |
| NOMINAL THREAD SIZE | 0.500 INCHES IN |
| LOCKING FEATURE | PREVAILING TORQUE ALL METAL DESIGN |
| NUT HEIGHT | 0.312 INCHES NOMINAL IN |
No substitute or cross-reference records for this part.