NUT,SELF-LOCKING,EXTENDED WASHER. Key specifications include material: STEEL OVERALL, nut_style: DOUBLE HEXAGON, thread_class: 3B, thread_series: UNIFIED NATIONAL JOINT FINE (UNJF), overall_height: 0.310 INCHES MINIMUM AND 0.325 INCHES MAXIMUM IN, locking_feature: PREVAILING TORQUE ALL METAL DESIGN. This product is currently in active production with full OEM support.
This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5310-00-365-2928, 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 | DOUBLE HEXAGON |
| thread_class | 3B |
| thread_series | UNIFIED NATIONAL JOINT FINE (UNJF) |
| overall_height | 0.310 INCHES MINIMUM AND 0.325 INCHES MAXIMUM IN |
| locking_feature | PREVAILING TORQUE ALL METAL DESIGN |
| special_features | LENGTH IS CRITICAL |
| thread_direction | RIGHT-HAND |
| washer_thickness | 0.050 INCHES MINIMUM IN |
| countersink_angle | 85.0 DEGREES MINIMUM AND 95.0 DEGREES MAXIMUM NUT |
| width_across_flats | 0.305 INCHES MINIMUM AND 0.313 INCHES MAXIMUM IN |
| nominal_thread_size | 0.190 INCHES IN |
| NSN | 5310-00-365-2928 |
| WIDTH ACROSS FLATS | 0.305 INCHES MINIMUM AND 0.313 INCHES MAXIMUM IN |
| THREAD QUANTITY PER INCH | 32 |
| NOMINAL THREAD SIZE | 0.190 INCHES IN |
| THREAD SERIES | UNIFIED NATIONAL JOINT FINE (UNJF) |
| MATERIAL DOCUMENT AND CLASSIFICATION | AMS 5735 ASSN STD SINGLE MATERIAL RESPONSE OR AMS 5737 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| OVERALL HEIGHT | 0.310 INCHES MINIMUM AND 0.325 INCHES MAXIMUM IN |
| SPECIAL FEATURES | LENGTH IS CRITICAL |
| THREAD DIRECTION | RIGHT-HAND |
| COUNTERSINK ANGLE | 85.0 DEGREES MINIMUM AND 95.0 DEGREES MAXIMUM NUT |
| WASHER OUTSIDE DIAMETER | 0.380 INCHES MAXIMUM IN |