6539-11-178-3101: NUT,SELF-LOCKING,ROUND.
The NUT,SELF-LOCKING,ROUND is a the manufacturer industrial component. Key specifications include material: STEEL OVERALL, nut_style: ROUND, nut_diameter: 4.281 INCHES NOMINAL IN, thread_class: 3B, nut_thickness: 0.770 INCHES MINIMUM AND 0.775 INCHES MAXIMUM IN, thread_series: UNS. This part is cataloged in the U.S.
Government catalog under NSN 5310-01-135-1184, 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 | ROUND |
| nut_diameter | 4.281 INCHES NOMINAL IN |
| thread_class | 3B |
| nut_thickness | 0.770 INCHES MINIMUM AND 0.775 INCHES MAXIMUM IN |
| thread_series | UNS |
| hardness_rating | 26.0 ROCKWELL C MINIMUM AND 33.0 ROCKWELL C MAXIMUM |
| locking_feature | PREVAILING TORQUE ALL METAL DESIGN |
| thread_direction | LEFT-HAND |
| drive_point_depth | 0.250 INCHES NOMINAL IN |
| drive_point_width | 0.345 INCHES MINIMUM AND 0.355 INCHES MAXIMUM IN |
| surface_treatment | OXIDE OVERALL |
| NSN | 5310-01-135-1184 |
| SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | MIL-C-13924 MIL SPEC SINGLE TREATMENT RESPONSE OVERALL |
| THREAD SERIES | UNS |
| HARDNESS RATING | 26.0 ROCKWELL C MINIMUM AND 33.0 ROCKWELL C MAXIMUM |
| DRIVE POINT WIDTH | 0.345 INCHES MINIMUM AND 0.355 INCHES MAXIMUM IN |
| THREAD DIRECTION | LEFT-HAND |
| NOMINAL THREAD SIZE | 3.730 INCHES IN |
| NUT DIAMETER | 4.281 INCHES NOMINAL IN |
| DRIVE POINT DEPTH | 0.250 INCHES NOMINAL IN |
| UNDERCUT THICKNESS | 0.275 INCHES NOMINAL IN |
| LOCKING FEATURE | PREVAILING TORQUE ALL METAL DESIGN |
No substitute or cross-reference records for this part.