NUT,SELF-LOCKING,EXTENDED WASHER. Key specifications include material: IRON ALLOY 660 NUT, nut_style: HEXAGON, lubrication: DRY FILM LUBRICANT, temp_rating: 500.0 FAHRENHEIT NOMINAL DEGF, thread_class: 3B, thread_series: UNF. This product is currently in active production with full OEM support.
This part is cataloged in the Federal Logistics Information System under NSN 5310-00-956-3644, 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 | IRON ALLOY 660 NUT |
| nut_style | HEXAGON |
| lubrication | DRY FILM LUBRICANT |
| temp_rating | 500.0 FAHRENHEIT NOMINAL DEGF |
| thread_class | 3B |
| thread_series | UNF |
| overall_height | 0.245 INCHES MAXIMUM IN |
| locking_feature | PREVAILING TORQUE ALL METAL DESIGN |
| special_features | AIRWORTHY CERTIFICATED ITEM SUPPLIED WITH CERTIFICATE OF CONFORMITY DOCUMENTATION |
| thread_direction | RIGHT-HAND |
| surface_treatment | PASSIVATE WASHER |
| width_across_flats | 0.3125 INCHES NOMINAL IN |
| NSN | 5310-00-956-3644 |
| OVERALL HEIGHT | 0.245 INCHES MAXIMUM IN |
| SURFACE TREATMENT | PASSIVATE WASHER |
| MATERIAL | IRON ALLOY 660 NUT |
| SPECIAL FEATURES | AIRWORTHY CERTIFICATED ITEM SUPPLIED WITH CERTIFICATE OF CONFORMITY DOCUMENTATION |
| NOMINAL THREAD SIZE | 0.250 INCHES IN |
| THREAD QUANTITY PER INCH | 28 |
| THREAD SERIES | UNF |
| END ITEM IDENTIFICATION | NOT KNOWN |
| WIDTH ACROSS FLATS | 0.3125 INCHES NOMINAL IN |
| TEMP RATING | 500.0 FAHRENHEIT NOMINAL DEGF |