NUT,SELF-LOCKING,EXTENDED WASHER. Key specifications include material: STEEL COMP 1137 OVERALL, nut_style: DOUBLE HEXAGON, temp_rating: 550.0 FAHRENHEIT NOMINAL DEGF, thread_class: 3B, thread_series: UNF, overall_height: 0.454 INCHES MINIMUM AND 0.469 INCHES MAXIMUM IN. This part is cataloged in the Federal Logistics Information System under NSN 5310-00-754-1783, 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 | DOUBLE HEXAGON |
| temp_rating | 550.0 FAHRENHEIT NOMINAL DEGF |
| thread_class | 3B |
| thread_series | UNF |
| overall_height | 0.454 INCHES MINIMUM AND 0.469 INCHES MAXIMUM IN |
| locking_feature | PREVAILING TORQUE ALL METAL DESIGN |
| thread_direction | RIGHT-HAND |
| washer_thickness | 0.097 INCHES NOMINAL IN |
| surface_treatment | CADMIUM OVERALL |
| width_across_flats | 0.553 INCHES MINIMUM AND 0.564 INCHES MAXIMUM IN |
| nominal_thread_size | 0.438 INCHES IN |
| NSN | 5310-00-754-1783 |
| MATERIAL DOCUMENT AND CLASSIFICATION | AISI1137 ASSN STD SINGLE MATERIAL RESPONSE OR AMS5024 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| WASHER OUTSIDE DIAMETER | 0.692 INCHES MAXIMUM IN |
| OVERALL HEIGHT | 0.454 INCHES MINIMUM AND 0.469 INCHES MAXIMUM IN |
| THREAD DIRECTION | RIGHT-HAND |
| NOMINAL THREAD SIZE | 0.438 INCHES IN |
| THREAD CLASS | 3B |
| WIDTH ACROSS FLATS | 0.553 INCHES MINIMUM AND 0.564 INCHES MAXIMUM IN |
| LOCKING FEATURE | PREVAILING TORQUE ALL METAL DESIGN |
| TEMP RATING | 550.0 FAHRENHEIT NOMINAL DEGF |
| SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | QQ-P-416,TY 1,CL 3 FED SPEC SINGLE TREATMENT RESPONSE OVERALL |