12543053: NUT,SELF-LOCKING,EXTENDED WASHER.
NUT,SELF-LOCKING,EXTENDED WASHER. Key specifications include material: STEEL OVERALL, nut_style: HEXAGON, lubrication: OIL, thread_class: 2B, thread_series: UNIFIED NATIONAL COARSE (UNC), overall_height: 0.236 INCHES NOMINAL IN. This part is cataloged in the U.S.
Government catalog under NSN 5310-01-611-4748, 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 OVERALL |
| nut_style | HEXAGON |
| lubrication | OIL |
| thread_class | 2B |
| thread_series | UNIFIED NATIONAL COARSE (UNC) |
| overall_height | 0.236 INCHES NOMINAL IN |
| hardness_rating | 24.0 ROCKWELL C MINIMUM AND 32.0 ROCKWELL C MAXIMUM |
| locking_feature | PREVAILING TORQUE ALL METAL DESIGN |
| special_features | MATERIAL GRADE 8 CARBON STEEL |
| thread_direction | RIGHT-HAND |
| washer_thickness | 0.100 INCHES MINIMUM IN |
| surface_treatment | PHOSPHATE ZINC OVERALL |
| NSN | 5310-01-611-4748 |
| LUBRICATION | OIL |
| OVERALL HEIGHT | 0.825 INCHES MAXIMUM IN |
| WASHER OUTSIDE DIAMETER | 1.585 INCHES MAXIMUM IN |
| WIDTH ACROSS FLATS | 1.127 INCHES NOMINAL IN |
| SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | MIL-DTL-1632, TY Z, CL 2 MIL SPEC SINGLE TREATMENT RESPONSE OVERALL |
| THREAD SERIES | UNIFIED NATIONAL COARSE (UNC) |
| WASHER THICKNESS | 0.120 INCHES NOMINAL IN |
| MATERIAL DOCUMENT AND CLASSIFICATION | SAE J995 NATIONAL SPEC SINGLE MATERIAL RESPONSE OVERALL |
| THREAD DIRECTION | RIGHT-HAND |
| NOMINAL THREAD SIZE | 0.750 INCHES IN |
No substitute or cross-reference records for this part.