21AX811: NUT,SELF-LOCKING,SINGLE BALL SEA.
NUT,SELF-LOCKING,SINGLE BALL SEA. Key specifications include material: PLASTIC POLYAMIDE NYLON LOCKING INSERT, nut_style: SINGLE BALL SEAT, HEXAGON, nut_height: 0.968 INCHES MINIMUM AND 0.999 INCHES MAXIMUM IN, thread_class: 2B, thread_series: UNF, hardness_rating: 26.0 ROCKWELL C MINIMUM AND 34.0 ROCKWELL C MAXIMUM. This part is cataloged in the U.S.
Government catalog under NSN 5310-01-551-9953, 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 | SINGLE BALL SEAT, HEXAGON |
| nut_height | 0.968 INCHES MINIMUM AND 0.999 INCHES MAXIMUM IN |
| thread_class | 2B |
| thread_series | UNF |
| hardness_rating | 26.0 ROCKWELL C MINIMUM AND 34.0 ROCKWELL C MAXIMUM |
| locking_feature | PREVAILING TORQUE WITH NONMETALLIC INSERT |
| ball_seat_radius | 0.179 INCHES MINIMUM AND 0.209 INCHES MAXIMUM IN |
| thread_direction | RIGHT-HAND |
| width_across_flats | 1.239 INCHES MINIMUM AND 1.252 INCHES MAXIMUM IN |
| nominal_thread_size | 0.875 INCHES IN |
| thread_quantity_per_inch | 14 |
| NSN | 5310-01-551-9953 |
| WIDTH ACROSS FLATS | 1.239 INCHES MINIMUM AND 1.252 INCHES MAXIMUM IN |
| THREAD SERIES | UNF |
| HARDNESS RATING | 26.0 ROCKWELL C MINIMUM AND 34.0 ROCKWELL C MAXIMUM |
| THREAD DIRECTION | RIGHT-HAND |
| NOMINAL THREAD SIZE | 0.875 INCHES IN |
| LOCKING FEATURE | PREVAILING TORQUE WITH NONMETALLIC INSERT |
| NUT HEIGHT | 0.968 INCHES MINIMUM AND 0.999 INCHES MAXIMUM IN |
| BALL SEAT RADIUS | 0.179 INCHES MINIMUM AND 0.209 INCHES MAXIMUM IN |
| PART NAME ASSIGNED BY CONTROLLING AGENCY | NUT, HEX LOCK-HIGH TENSILE FINE THREAD |
| NUT STYLE | SINGLE BALL SEAT, HEXAGON |