67521-428: NUT,SELF-LOCKING,HEXAGON.
The NUT,SELF-LOCKING,HEXAGON is a the manufacturer industrial component. Key specifications include material: IRON ALLOY 660 OVERALL, nut_style: HEXAGON, nut_height: 0.315 INCHES MINIMUM AND 0.330 INCHES MAXIMUM IN, thread_series: UNF, hardness_rating: 24.0 ROCKWELL C MINIMUM AND 37.0 ROCKWELL C MAXIMUM, locking_feature: PREVAILING TORQUE ALL METAL DESIGN. This part is cataloged in the U.S.
Government catalog under NSN 5310-00-148-1185, 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 | IRON ALLOY 660 OVERALL |
| nut_style | HEXAGON |
| nut_height | 0.315 INCHES MINIMUM AND 0.330 INCHES MAXIMUM IN |
| thread_series | UNF |
| hardness_rating | 24.0 ROCKWELL C MINIMUM AND 37.0 ROCKWELL C MAXIMUM |
| locking_feature | PREVAILING TORQUE ALL METAL DESIGN |
| thread_direction | RIGHT-HAND |
| width_across_flats | 0.430 INCHES MINIMUM AND 0.439 INCHES MAXIMUM IN |
| nominal_thread_size | 0.250 INCHES IN |
| bearing_surface_type | CHAMFERED |
| thread_pitch_diameters | +0.2298 TO 0.2330 INCHES IN |
| thread_quantity_per_inch | 28 |
| NSN | 5310-00-148-1185 |
| WIDTH ACROSS FLATS | 0.430 INCHES MINIMUM AND 0.439 INCHES MAXIMUM IN |
| THREAD SERIES | UNF |
| HARDNESS RATING | 24.0 ROCKWELL C MINIMUM AND 37.0 ROCKWELL C MAXIMUM |
| THREAD PITCH DIAMETERS | +0.2298 TO 0.2330 INCHES IN |
| MATERIAL DOCUMENT AND CLASSIFICATION | AMS 5735 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| THREAD DIRECTION | RIGHT-HAND |
| NOMINAL THREAD SIZE | 0.250 INCHES IN |
| LOCKING FEATURE | PREVAILING TORQUE ALL METAL DESIGN |
| NUT HEIGHT | 0.315 INCHES MINIMUM AND 0.330 INCHES MAXIMUM IN |
| NUT STYLE | HEXAGON |