502D18-42: NUT,SELF-LOCKING,HEXAGON.
The NUT,SELF-LOCKING,HEXAGON is a the manufacturer industrial component. Key specifications include material: STEEL OVERALL, nut_style: HEXAGON, nut_height: 0.312 INCHES NOMINAL IN, thread_class: 3B, thread_series: UNF, locking_feature: PREVAILING TORQUE WITH NONMETALLIC INSERT OR PREVAILING TORQUE ALL METAL DESIGN. This part is cataloged in the U.S.
Government catalog under NSN 5310-00-050-3338, 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 |
| nut_height | 0.312 INCHES NOMINAL IN |
| thread_class | 3B |
| thread_series | UNF |
| locking_feature | PREVAILING TORQUE WITH NONMETALLIC INSERT OR PREVAILING TORQUE ALL METAL DESIGN |
| thread_direction | RIGHT-HAND |
| width_across_flats | 0.438 INCHES NOMINAL IN |
| nominal_thread_size | 0.250 INCHES IN |
| bearing_surface_type | FLAT |
| thread_quantity_per_inch | 28 |
| material_document_and_classification | MIL-M-20693 COMP A TYPE 1 MIL SPEC ALL MATERIAL RESPONSES LOCKING INSERT |
| NSN | 5310-00-050-3338 |
| WIDTH ACROSS FLATS | 0.438 INCHES NOMINAL IN |
| THREAD SERIES | UNF |
| MATERIAL DOCUMENT AND CLASSIFICATION | QQ-S-633 FED SPEC ALL MATERIAL RESPONSES OVERALL |
| MATERIAL DOCUMENT AND CLASSIFICATION | MIL-M-20693 COMP A TYPE 1 MIL SPEC ALL MATERIAL RESPONSES LOCKING INSERT |
| MATERIAL DOCUMENT AND CLASSIFICATION | QQ-S-633 FED SPEC ALL MATERIAL RESPONSES NUT |
| THREAD DIRECTION | RIGHT-HAND |
| NOMINAL THREAD SIZE | 0.250 INCHES IN |
| LOCKING FEATURE | PREVAILING TORQUE WITH NONMETALLIC INSERT OR PREVAILING TORQUE ALL METAL DESIGN |
| NUT HEIGHT | 0.312 INCHES NOMINAL IN |
| NUT STYLE | HEXAGON |
No substitute or cross-reference records for this part.