HW51130-4K7: NUT,SELF-LOCKING,EXTENDED WASHER.
NUT,SELF-LOCKING,EXTENDED WASHER. Key specifications include material: STEEL COMP 4037 NUT, nut_style: HEXAGON, temp_rating: 450.0 FAHRENHEIT NOMINAL DEGF, thread_class: 3B, thread_series: UNIFIED NATIONAL JOINT FINE (UNJF), overall_height: 0.271 INCHES MINIMUM AND 0.291 INCHES MAXIMUM IN. This part is cataloged in the U.S.
Government catalog under NSN 5310-01-262-2145, 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 4037 NUT |
| nut_style | HEXAGON |
| temp_rating | 450.0 FAHRENHEIT NOMINAL DEGF |
| thread_class | 3B |
| thread_series | UNIFIED NATIONAL JOINT FINE (UNJF) |
| overall_height | 0.271 INCHES MINIMUM AND 0.291 INCHES MAXIMUM IN |
| hardness_rating | 39.0 ROCKWELL C MINIMUM AND 45.0 ROCKWELL C MAXIMUM |
| locking_feature | PREVAILING TORQUE ALL METAL DESIGN |
| thread_direction | RIGHT-HAND |
| surface_treatment | CADMIUM AND CHROMATE OVERALL |
| width_across_flats | 0.274 INCHES MINIMUM AND 0.284 INCHES MAXIMUM IN |
| nominal_thread_size | 0.2500 INCHES IN |
| NSN | 5310-01-262-2145 |
| OVERALL HEIGHT | 0.271 INCHES MINIMUM AND 0.291 INCHES MAXIMUM 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 | QQ-P-416 TY2 CL3 FED SPEC ALL TREATMENT RESPONSES OVERALL |
| THREAD SERIES | UNIFIED NATIONAL JOINT FINE (UNJF) |
| TEMP RATING | 450.0 FAHRENHEIT NOMINAL DEGF |
| HARDNESS RATING | 39.0 ROCKWELL C MINIMUM AND 45.0 ROCKWELL C MAXIMUM |
| MATERIAL DOCUMENT AND CLASSIFICATION | AMS5085 ASSN STD SINGLE MATERIAL RESPONSE WASHER |
| MATERIAL DOCUMENT AND CLASSIFICATION | MIL-S-8695 MIL SPEC SINGLE MATERIAL RESPONSE NUT |
| THREAD DIRECTION | RIGHT-HAND |
No substitute or cross-reference records for this part.