57A5A30-30: NUT,SELF-LOCKING,SPLINE.
The NUT,SELF-LOCKING,SPLINE is a the manufacturer industrial component. Key specifications include material: STEEL OVERALL, nut_style: SPLINE, nut_height: 0.370 INCHES NOMINAL IN, temp_rating: 450.0 FAHRENHEIT MAXIMUM DEGF, pilot_length: 0.195 INCHES NOMINAL IN, thread_class: 3B. This part is cataloged in the U.S.
Government catalog under NSN 5310-00-934-0283, 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 | SPLINE |
| nut_height | 0.370 INCHES NOMINAL IN |
| temp_rating | 450.0 FAHRENHEIT MAXIMUM DEGF |
| pilot_length | 0.195 INCHES NOMINAL IN |
| thread_class | 3B |
| thread_series | UNIFIED NATIONAL COARSE (UNC) |
| pilot_diameter | 0.220 INCHES MINIMUM AND 0.224 INCHES MAXIMUM IN |
| locking_feature | PREVAILING TORQUE ALL METAL DESIGN |
| thread_direction | RIGHT-HAND |
| surface_treatment | CADMIUM AND CHROMATE OVERALL |
| width_across_flats | 0.298 INCHES MINIMUM AND 0.328 INCHES MAXIMUM IN |
| NSN | 5310-00-934-0283 |
| WIDTH ACROSS FLATS | 0.298 INCHES MINIMUM AND 0.328 INCHES MAXIMUM IN |
| SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | QQ-P-416,TY 2,CL 3 FED SPEC ALL TREATMENT RESPONSES OVERALL |
| THREAD SERIES | UNIFIED NATIONAL COARSE (UNC) |
| TEMP RATING | 450.0 FAHRENHEIT MAXIMUM DEGF |
| NUT COUNTERBORE DEPTH | 0.185 INCHES NOMINAL NUT IN |
| THREAD DIRECTION | RIGHT-HAND |
| NOMINAL THREAD SIZE | 0.138 INCHES IN |
| COUNTERBORE DIAMETER | 0.165 INCHES MINIMUM AND 0.170 INCHES MAXIMUM NUT IN |
| PILOT DIAMETER | 0.220 INCHES MINIMUM AND 0.224 INCHES MAXIMUM IN |
| PILOT LENGTH | 0.195 INCHES NOMINAL IN |
No substitute or cross-reference records for this part.