12321007: NUT,SELF-LOCKING,EXTENDED WASHER.
NUT,SELF-LOCKING,EXTENDED WASHER. Key specifications include nut_style: HEXAGON, thread_class: 2B, thread_series: UNF, overall_height: 0.437 INCHES MINIMUM AND 0.458 INCHES MAXIMUM IN, special_features: DRY WAX AFTER PLATING, thread_direction: RIGHT-HAND. This part is cataloged in the U.S.
Government catalog under NSN 5310-01-157-1999, 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.
| nut_style | HEXAGON |
| thread_class | 2B |
| thread_series | UNF |
| overall_height | 0.437 INCHES MINIMUM AND 0.458 INCHES MAXIMUM IN |
| special_features | DRY WAX AFTER PLATING |
| thread_direction | RIGHT-HAND |
| washer_thickness | 0.020 INCHES MINIMUM IN |
| surface_treatment | CADMIUM OVERALL |
| width_across_flats | 0.736 INCHES MINIMUM AND 0.750 INCHES MAXIMUM IN |
| nominal_thread_size | 0.500 INCHES IN |
| washer_outside_diameter | 1.000 INCHES MINIMUM AND 1.031 INCHES MAXIMUM IN |
| thread_quantity_per_inch | 20 |
| NSN | 5310-01-157-1999 |
| OVERALL HEIGHT | 0.437 INCHES MINIMUM AND 0.458 INCHES MAXIMUM IN |
| WASHER OUTSIDE DIAMETER | 1.000 INCHES MINIMUM AND 1.031 INCHES MAXIMUM IN |
| WIDTH ACROSS FLATS | 0.736 INCHES MINIMUM AND 0.750 INCHES MAXIMUM IN |
| SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | QQ-P-416,TY 1,CL 3 FED SPEC SINGLE TREATMENT RESPONSE OVERALL |
| THREAD SERIES | UNF |
| WASHER THICKNESS | 0.020 INCHES MINIMUM IN |
| MATERIAL DOCUMENT AND CLASSIFICATION | SAE ASSN STD ALL MATERIAL RESPONSES OVERALL |
| THREAD DIRECTION | RIGHT-HAND |
| NOMINAL THREAD SIZE | 0.500 INCHES IN |
| SPECIAL FEATURES | DRY WAX AFTER PLATING |
No substitute or cross-reference records for this part.