A51M42543-13: BOLT,INTERNALLY RELIEVED BODY.
The BOLT,INTERNALLY RELIEVED BODY is a the manufacturer industrial component. Key specifications include material: STEEL OVERALL, head_style: ROUND W/WRENCH FLATS, head_height: 0.063 INCHES NOMINAL IN, thread_class: 3A A, head_diameter: 0.750 INCHES NOMINAL IN, thread_length: 0.345 INCHES MINIMUM IN. This part is cataloged in the U.S.
Government catalog under NSN 5306-00-006-0508, 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 |
| head_style | ROUND W/WRENCH FLATS |
| head_height | 0.063 INCHES NOMINAL IN |
| thread_class | 3A A |
| head_diameter | 0.750 INCHES NOMINAL IN |
| thread_length | 0.345 INCHES MINIMUM IN |
| fastener_length | 2.187 INCHES NOMINAL IN |
| shoulder_length | 1.842 INCHES NOMINAL IN |
| style_designator | CONCENTRIC HOLE UNTHREADED |
| thread_direction | RIGHT-HAND |
| shoulder_diameter | 0.4976 INCHES MINIMUM AND 0.4981 INCHES MAXIMUM IN |
| surface_treatment | CADMIUM OVERALL |
| NSN | 5306-00-006-0508 |
| HEAD HEIGHT | 0.063 INCHES NOMINAL IN |
| FASTENER LENGTH | 2.187 INCHES NOMINAL IN |
| CONCENTRIC HOLE DEPTH | 0.320 INCHES NOMINAL IN |
| THREAD LENGTH | 0.345 INCHES MINIMUM IN |
| SHANK UNTHREADED HOLE DIAMETER | 0.072 INCHES MINIMUM AND 0.077 INCHES MAXIMUM FIRST HOLE IN |
| STYLE DESIGNATOR | CONCENTRIC HOLE UNTHREADED |
| NOMINAL THREAD DIAMETER | 0.312 INCHES IN |
| HEAD STYLE | ROUND W/WRENCH FLATS |
| THREAD DIRECTION | RIGHT-HAND |
| WIDTH BETWEEN FLATS | 0.552 INCHES MINIMUM AND 0.562 INCHES MAXIMUM IN |
No substitute or cross-reference records for this part.