8713862: BOLT,INTERNALLY RELIEVED BODY.
The BOLT,INTERNALLY RELIEVED BODY is a the manufacturer industrial component. Key specifications include material: STEEL COMP 8637 OR STEEL COMP 8640 OR STEEL COMP 4140 OR STEEL COMP 8740 OVERALL, head_style: HEXAGON, head_height: 1.938 INCHES NOMINAL IN, thread_class: 3A A, thread_length: 0.938 INCHES MINIMUM IN, thread_series: UNIFIED NATIONAL COARSE (UNC) COUNTERBORE. This part is cataloged in the U.S.
Government catalog under NSN 5306-00-250-5487, 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 8637 OR STEEL COMP 8640 OR STEEL COMP 4140 OR STEEL COMP 8740 OVERALL |
| head_style | HEXAGON |
| head_height | 1.938 INCHES NOMINAL IN |
| thread_class | 3A A |
| thread_length | 0.938 INCHES MINIMUM IN |
| thread_series | UNIFIED NATIONAL COARSE (UNC) COUNTERBORE |
| fastener_length | 3.093 INCHES NOMINAL IN |
| hardness_rating | 302.0 BRINELL STANDARD MINIMUM AND 341.0 BRINELL STANDARD MAXIMUM OVERALL |
| style_designator | COUNTERBORE THREADED |
| thread_direction | RIGHT-HAND |
| threads_per_inch | 16 COUNTERBORE |
| nominal_thread_size | 0.375 INCHES COUNTERBORE IN |
| NSN | 5306-00-250-5487 |
| HEAD HEIGHT | 1.938 INCHES NOMINAL IN |
| FASTENER LENGTH | 3.093 INCHES NOMINAL IN |
| INTERNAL THREAD LENGTH | 0.875 INCHES NOMINAL COUNTERBORE IN |
| THREAD SERIES | UNIFIED NATIONAL COARSE (UNC) COUNTERBORE |
| CONCENTRIC HOLE DEPTH | 1.187 INCHES NOMINAL IN |
| INTERNAL THREAD DIRECTION | RIGHT-HAND COUNTERBORE |
| THREAD LENGTH | 0.938 INCHES MINIMUM IN |
| HARDNESS RATING | 302.0 BRINELL STANDARD MINIMUM AND 341.0 BRINELL STANDARD MAXIMUM OVERALL |
| THREADS PER INCH | 16 COUNTERBORE |
| STYLE DESIGNATOR | COUNTERBORE THREADED |
No substitute or cross-reference records for this part.