55966-2812: NUT,SELF-LOCKING,CASTELLATED,HEX.
NUT,SELF-LOCKING,CASTELLATED,HEX. Key specifications include material: STEEL OVERALL, nut_style: CASTELLATED, HEXAGON, nut_height: 0.974 INCHES MINIMUM AND 0.994 INCHES MAXIMUM IN, thread_class: 3B, thread_series: UN, locking_feature: PREVAILING TORQUE ALL METAL DESIGN. This part is cataloged in the U.S.
Government catalog under NSN 5310-01-026-0818, 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 | CASTELLATED, HEXAGON |
| nut_height | 0.974 INCHES MINIMUM AND 0.994 INCHES MAXIMUM IN |
| thread_class | 3B |
| thread_series | UN |
| locking_feature | PREVAILING TORQUE ALL METAL DESIGN |
| thread_direction | RIGHT-HAND |
| surface_treatment | CADMIUM OVERALL |
| width_across_flats | 2.238 INCHES MINIMUM AND 2.252 INCHES MAXIMUM IN |
| nominal_thread_size | 1.750 INCHES IN |
| bearing_surface_type | CHAMFERED |
| thread_quantity_per_inch | 12 |
| NSN | 5310-01-026-0818 |
| WIDTH ACROSS FLATS | 2.238 INCHES MINIMUM AND 2.252 INCHES MAXIMUM IN |
| SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | QQ-P-416,TY 1,CL 3 FED SPEC SINGLE TREATMENT RESPONSE OVERALL |
| THREAD SERIES | UN |
| THREAD DIRECTION | RIGHT-HAND |
| NOMINAL THREAD SIZE | 1.750 INCHES IN |
| LOCKING FEATURE | PREVAILING TORQUE ALL METAL DESIGN |
| NUT HEIGHT | 0.974 INCHES MINIMUM AND 0.994 INCHES MAXIMUM IN |
| SURFACE TREATMENT | CADMIUM OVERALL |
| NUT STYLE | CASTELLATED, HEXAGON |
| THREAD CLASS | 3B |
No substitute or cross-reference records for this part.