H541L4F: NUT,SELF-LOCKING,EXTENDED WASHER.
NUT,SELF-LOCKING,EXTENDED WASHER. Key specifications include material: STEEL OVERALL, nut_style: HEXAGON, thread_class: 3B, thread_series: UNIFIED NATIONAL JOINT FINE (UNJF), overall_height: 0.295 INCHES MAXIMUM IN, hardness_rating: 39.0 ROCKWELL C MINIMUM AND 43.0 ROCKWELL C MAXIMUM. This part is cataloged in the U.S.
Government catalog under NSN 5310-01-074-3040, 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 |
| thread_class | 3B |
| thread_series | UNIFIED NATIONAL JOINT FINE (UNJF) |
| overall_height | 0.295 INCHES MAXIMUM IN |
| hardness_rating | 39.0 ROCKWELL C MINIMUM AND 43.0 ROCKWELL C MAXIMUM |
| thread_direction | RIGHT-HAND |
| surface_treatment | CADMIUM OVERALL |
| width_across_flats | 0.305 INCHES MINIMUM AND 0.313 INCHES MAXIMUM IN |
| nominal_thread_size | 0.250 INCHES IN |
| washer_outside_diameter | 0.400 INCHES MINIMUM IN |
| thread_quantity_per_inch | 28 |
| NSN | 5310-01-074-3040 |
| OVERALL HEIGHT | 0.295 INCHES MAXIMUM IN |
| WASHER OUTSIDE DIAMETER | 0.400 INCHES MINIMUM IN |
| WIDTH ACROSS FLATS | 0.305 INCHES MINIMUM AND 0.313 INCHES MAXIMUM IN |
| SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | QQ-P-416 TY 2 CL 3 FED SPEC SINGLE TREATMENT RESPONSE OVERALL |
| THREAD SERIES | UNIFIED NATIONAL JOINT FINE (UNJF) |
| HARDNESS RATING | 39.0 ROCKWELL C MINIMUM AND 43.0 ROCKWELL C MAXIMUM |
| THREAD DIRECTION | RIGHT-HAND |
| NOMINAL THREAD SIZE | 0.250 INCHES IN |
| SURFACE TREATMENT | CADMIUM OVERALL |
| NUT STYLE | HEXAGON |
No substitute or cross-reference records for this part.