A15D3551-1: NUT,SELF-LOCKING,ASSEMBLED WASHE.
NUT,SELF-LOCKING,ASSEMBLED WASHE. Key specifications include material: STEEL CORROSION RESISTING OVERALL, nut_style: FLAT WITH TURNED UP EDGE, thread_class: 3B, thread_series: UNIFIED NATIONAL JOINT FINE (UNJF), overall_height: 0.281 INCHES NOMINAL IN, locking_feature: PREVAILING TORQUE ALL METAL DESIGN. This part is cataloged in the U.S.
Government catalog under NSN 5310-01-030-9108, 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 CORROSION RESISTING OVERALL |
| nut_style | FLAT WITH TURNED UP EDGE |
| thread_class | 3B |
| thread_series | UNIFIED NATIONAL JOINT FINE (UNJF) |
| overall_height | 0.281 INCHES NOMINAL IN |
| locking_feature | PREVAILING TORQUE ALL METAL DESIGN |
| special_features | MAKE FROM TLN1000C-4 OR HW17C4 IAW DRAWING A15D3551-1 WITH ADCN 2 |
| thread_direction | RIGHT-HAND |
| countersink_angle | 45.0 DEGREES NOMINAL FIRST END |
| surface_treatment | SILVER OVERALL |
| width_across_flats | 0.274 INCHES MINIMUM AND 0.284 INCHES MAXIMUM IN |
| nominal_thread_size | 0.250 INCHES IN |
| NSN | 5310-01-030-9108 |
| OVERALL HEIGHT | 0.281 INCHES NOMINAL IN |
| WASHER OUTSIDE DIAMETER | 0.460 INCHES MAXIMUM IN |
| WIDTH ACROSS FLATS | 0.274 INCHES MINIMUM AND 0.284 INCHES MAXIMUM IN |
| SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | AMS-2410 ASSN STD SINGLE TREATMENT RESPONSE OVERALL |
| THREAD SERIES | UNIFIED NATIONAL JOINT FINE (UNJF) |
| MATERIAL DOCUMENT AND CLASSIFICATION | AMS-5737 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| NUT COUNTERBORE DEPTH | 0.077 INCHES NOMINAL FIRST END IN |
| THREAD DIRECTION | RIGHT-HAND |
| NOMINAL THREAD SIZE | 0.250 INCHES IN |
| COUNTERBORE DIAMETER | 0.282 INCHES NOMINAL FIRST END IN |