12NB182: NUT,SELF-LOCKING,INTERNAL WRENCH.
NUT,SELF-LOCKING,INTERNAL WRENCH. Key specifications include material: PLASTIC POLYAMIDE NYLON LOCKING INSERT, nut_style: INTERNAL WRENCHING, nut_height: 2.141 INCHES NOMINAL IN, nut_diameter: 1.875 INCHES NOMINAL IN, thread_class: 3B, thread_series: UNF. This part is cataloged in the U.S.
Government catalog under NSN 5310-00-488-8982, 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 | INTERNAL WRENCHING |
| nut_height | 2.141 INCHES NOMINAL IN |
| nut_diameter | 1.875 INCHES NOMINAL IN |
| thread_class | 3B |
| thread_series | UNF |
| hardness_rating | 26.0 ROCKWELL C MINIMUM AND 32.0 ROCKWELL C MAXIMUM |
| locking_feature | PREVAILING TORQUE WITH NONMETALLIC INSERT |
| thread_direction | RIGHT-HAND |
| surface_treatment | CADMIUM OVERALL EXCEPT INSERT |
| nominal_thread_size | 1.125 INCHES IN |
| width_between_flats | 1.315 INCHES MINIMUM AND 1.327 INCHES MAXIMUM IN |
| NSN | 5310-00-488-8982 |
| SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | QQ-P-416,TY 1,CL 3 FED SPEC SINGLE TREATMENT RESPONSE OVERALL EXCEPT INSERT |
| THREAD SERIES | UNF |
| HARDNESS RATING | 26.0 ROCKWELL C MINIMUM AND 32.0 ROCKWELL C MAXIMUM |
| THREAD DIRECTION | RIGHT-HAND |
| NOMINAL THREAD SIZE | 1.125 INCHES IN |
| NUT DIAMETER | 1.875 INCHES NOMINAL IN |
| WIDTH BETWEEN FLATS | 1.315 INCHES MINIMUM AND 1.327 INCHES MAXIMUM IN |
| LOCKING FEATURE | PREVAILING TORQUE WITH NONMETALLIC INSERT |
| NUT HEIGHT | 2.141 INCHES NOMINAL IN |
| SURFACE TREATMENT | CADMIUM OVERALL EXCEPT INSERT |
No substitute or cross-reference records for this part.