NUT,SELF-LOCKING,EXTENDED WASHER. Key specifications include material: PLASTIC POLYAMIDE NYLON LOCKING INSERT, nut_style: DOUBLE HEXAGON, temp_rating: 250.0 FAHRENHEIT MAXIMUM DEGF, thread_class: 3B, thread_series: UNIFIED NATIONAL JOINT FINE (UNJF), overall_height: 0.443 INCHES MINIMUM AND 0.463 INCHES MAXIMUM IN. This product is currently in active production with full OEM support.
This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5310-01-124-5793, 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 | PLASTIC POLYAMIDE NYLON LOCKING INSERT |
| nut_style | DOUBLE HEXAGON |
| temp_rating | 250.0 FAHRENHEIT MAXIMUM DEGF |
| thread_class | 3B |
| thread_series | UNIFIED NATIONAL JOINT FINE (UNJF) |
| overall_height | 0.443 INCHES MINIMUM AND 0.463 INCHES MAXIMUM IN |
| locking_feature | PREVAILING TORQUE WITH NONMETALLIC INSERT |
| thread_direction | RIGHT-HAND |
| washer_thickness | 0.089 INCHES MINIMUM AND 0.109 INCHES MAXIMUM IN |
| surface_treatment | CADMIUM AND CHROMATE OVERALL EXCEPT INSERT |
| width_across_flats | 0.492 INCHES MINIMUM AND 0.502 INCHES MAXIMUM IN |
| nominal_thread_size | 0.375 INCHES IN |
| NSN | 5310-01-124-5793 |
| THREAD DIRECTION | RIGHT-HAND |
| WASHER THICKNESS | 0.089 INCHES MINIMUM AND 0.109 INCHES MAXIMUM IN |
| THREAD QUANTITY PER INCH | 24 |
| SURFACE TREATMENT | CADMIUM AND CHROMATE OVERALL EXCEPT INSERT |
| MATERIAL | STEEL COMP 4130 OR STEEL COMP 4340 OR STEEL COMP 8740 NUT |
| MATERIAL DOCUMENT AND CLASSIFICATION | MIL-S-5000 MIL SPEC 2ND MATERIAL RESPONSE NUT |
| NOMINAL THREAD SIZE | 0.375 INCHES IN |
| WIDTH ACROSS FLATS | 0.492 INCHES MINIMUM AND 0.502 INCHES MAXIMUM IN |
| NUT STYLE | DOUBLE HEXAGON |
| LOCKING FEATURE | PREVAILING TORQUE WITH NONMETALLIC INSERT |