The RING,RETAINING is a the manufacturer industrial component. Key specifications include material: STEEL OVERALL, nut_style: SQUARE, nut_height: 0.203 INCHES MINIMUM AND 0.235 INCHES MAXIMUM IN, thread_class: 2B, thread_series: UNIFIED NATIONAL COARSE (UNC), hardness_rating: 103.0 BRINELL STANDARD MINIMUM. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5310-00-261-7160, 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 | SQUARE |
| nut_height | 0.203 INCHES MINIMUM AND 0.235 INCHES MAXIMUM IN |
| thread_class | 2B |
| thread_series | UNIFIED NATIONAL COARSE (UNC) |
| hardness_rating | 103.0 BRINELL STANDARD MINIMUM |
| thread_direction | RIGHT-HAND |
| surface_treatment | CADMIUM OVERALL |
| width_across_flats | 0.425 INCHES MINIMUM AND 0.4375 INCHES MAXIMUM IN |
| nominal_thread_size | 0.250 INCHES IN |
| bearing_surface_type | WASHER FACED |
| thread_quantity_per_inch | 20 |
| NSN | 5310-00-261-7160 |
| MATERIAL THICKNESS | 0.022 INCHES NOMINAL IN |
| STYLE DESIGNATOR | FLAT INTERNAL TEETH |
| SURFACE TREATMENT | NICKEL OVERALL |
| END ITEM IDENTIFICATION | W/S:STURGEON CLASS SSN (637); RADAR SET, LIGHTWEIGHT 3D (AN/TPS-59); HELICOPTER, MH-53E; TRANSPONDER (TSEC/KIT-1A); INTERROGATION COMPUTER (KIR-1A); SPRUANCE CLASS DD (963); LOS ANGELES CLASS SSN (688); AIRCRAFT, C-2A (REPROCURED); FORRESTAL CLASS CV A |
| MATERIAL | STEEL OVERALL |
| OUTSIDE DIAMETER | 0.493 INCHES MINIMUM AND 0.507 INCHES MAXIMUM IN |
| HOLE DIAMETER | 0.377 INCHES MINIMUM AND 0.391 INCHES MAXIMUM IN |