The 143-981 is a the manufacturer industrial component. Key specifications include material: STEEL OVERALL, body_type: SOLID, head_type: SOLID, overall_width: 0.563 INCHES NOMINAL IN, overall_height: 0.781 INCHES NOMINAL IN, overall_length: 1.432 INCHES NOMINAL IN. This product is currently in active production with full OEM support.
This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5999-00-857-7550, 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 |
| body_type | SOLID |
| head_type | SOLID |
| overall_width | 0.563 INCHES NOMINAL IN |
| overall_height | 0.781 INCHES NOMINAL IN |
| overall_length | 1.432 INCHES NOMINAL IN |
| drive_end_style | RAISED SQUARE |
| connection_style | PLAIN |
| thread_direction | RIGHT-HAND EXTERNAL |
| nominal_thread_size | 0.500 INCHES EXTERNAL IN |
| mounting_hole_diameter | 0.156 INCHES NOMINAL IN |
| thread_quantity_per_inch | 18 EXTERNAL |
| NSN | 5999-00-857-7550 |
| OVERALL WIDTH | 0.563 INCHES NOMINAL IN |
| MOUNTING FACILITY TYPE AND QUANTITY | 2 UNTHREADED HOLE(S) |
| OVERALL HEIGHT | 0.781 INCHES NOMINAL IN |
| OVERALL LENGTH | 1.432 INCHES NOMINAL IN |
| MOUNTING HOLE DIAMETER | 0.156 INCHES NOMINAL IN |
| OVERALL WIDTH | 0.563 INCHES NOMINAL IN |
| MOUNTING FACILITY TYPE AND QUANTITY | 2 UNTHREADED HOLE(S) |
| OVERALL HEIGHT | 0.781 INCHES NOMINAL IN |
| OVERALL LENGTH | 1.432 INCHES NOMINAL IN |
| MOUNTING HOLE DIAMETER | 0.156 INCHES NOMINAL IN |