2B989: NUT,SELF-LOCKING,SINGLE BALL SEA.
NUT,SELF-LOCKING,SINGLE BALL SEA. Key specifications include material: STEEL COMP 1018 OVERALL, nut_style: SINGLE BALL SEAT, HEXAGON, nut_height: 0.938 INCHES NOMINAL IN, thread_class: 2B, thread_series: UNF, locking_feature: PREVAILING TORQUE ALL METAL DESIGN. This part is cataloged in the U.S.
Government catalog under NSN 5310-00-423-8949, 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 COMP 1018 OVERALL |
| nut_style | SINGLE BALL SEAT, HEXAGON |
| nut_height | 0.938 INCHES NOMINAL IN |
| thread_class | 2B |
| thread_series | UNF |
| locking_feature | PREVAILING TORQUE ALL METAL DESIGN |
| ball_seat_radius | 0.750 INCHES NOMINAL IN |
| special_features | 0.156 INCH WIDE BY 0.250 INCH DEEP SLOT ACROSS HEX FACE IN |
| thread_direction | RIGHT-HAND |
| width_across_flats | 1.625 INCHES NOMINAL IN |
| nominal_thread_size | 0.625 INCHES IN |
| thread_quantity_per_inch | 18 |
| NSN | 5310-00-423-8949 |
| WIDTH ACROSS FLATS | 1.625 INCHES NOMINAL IN |
| THREAD SERIES | UNF |
| MATERIAL DOCUMENT AND CLASSIFICATION | 66 FED STD SINGLE MATERIAL RESPONSE OVERALL |
| THREAD DIRECTION | RIGHT-HAND |
| NOMINAL THREAD SIZE | 0.625 INCHES IN |
| LOCKING FEATURE | PREVAILING TORQUE ALL METAL DESIGN |
| NUT HEIGHT | 0.938 INCHES NOMINAL IN |
| BALL SEAT RADIUS | 0.750 INCHES NOMINAL IN |
| SPECIAL FEATURES | 0.156 INCH WIDE BY 0.250 INCH DEEP SLOT ACROSS HEX FACE IN |
| NUT STYLE | SINGLE BALL SEAT, HEXAGON |
No substitute or cross-reference records for this part.