21AX-338: NUT,SELF-LOCKING,SINGLE BALL SEA.
NUT,SELF-LOCKING,SINGLE BALL SEA. Key specifications include material: PLASTIC NYLON LOCKING INSERT, nut_style: SINGLE BALL SEAT, HEXAGON, nut_height: 0.926 INCHES NOMINAL IN, thread_class: 3B, thread_series: UNF, locking_feature: PREVAILING TORQUE WITH NONMETALLIC INSERT. This part is cataloged in the U.S.
Government catalog under NSN 5310-01-551-9498, 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 NYLON LOCKING INSERT |
| nut_style | SINGLE BALL SEAT, HEXAGON |
| nut_height | 0.926 INCHES NOMINAL IN |
| thread_class | 3B |
| thread_series | UNF |
| locking_feature | PREVAILING TORQUE WITH NONMETALLIC INSERT |
| ball_seat_radius | 0.280 INCHES NOMINAL IN |
| thread_direction | RIGHT-HAND |
| width_across_flats | 1.010 INCHES NOMINAL IN |
| nominal_thread_size | 0.625 INCHES IN |
| thread_quantity_per_inch | 18 |
| part_name_assigned_by_controlling_agency | NUT, HEX LOCK |
| NSN | 5310-01-551-9498 |
| WIDTH ACROSS FLATS | 1.010 INCHES NOMINAL IN |
| THREAD SERIES | UNF |
| THREAD DIRECTION | RIGHT-HAND |
| NOMINAL THREAD SIZE | 0.625 INCHES IN |
| LOCKING FEATURE | PREVAILING TORQUE WITH NONMETALLIC INSERT |
| NUT HEIGHT | 0.926 INCHES NOMINAL IN |
| BALL SEAT RADIUS | 0.280 INCHES NOMINAL IN |
| PART NAME ASSIGNED BY CONTROLLING AGENCY | NUT, HEX LOCK |
| NUT STYLE | SINGLE BALL SEAT, HEXAGON |
| THREAD CLASS | 3B |
No substitute or cross-reference records for this part.