538386: BOLT,INTERNALLY RELIEVED BODY.
The BOLT,INTERNALLY RELIEVED BODY is a the manufacturer industrial component. Key specifications include material: STEEL COMP E4340 OVERALL, head_style: ROUND W/WRENCH FLATS, head_height: 0.125 INCHES NOMINAL IN, thread_class: 3A A, head_diameter: 1.438 INCHES NOMINAL IN, thread_length: 0.626 INCHES MAXIMUM IN. This part is cataloged in the U.S.
Government catalog under NSN 5306-00-208-0286, 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 E4340 OVERALL |
| head_style | ROUND W/WRENCH FLATS |
| head_height | 0.125 INCHES NOMINAL IN |
| thread_class | 3A A |
| head_diameter | 1.438 INCHES NOMINAL IN |
| thread_length | 0.626 INCHES MAXIMUM IN |
| fastener_length | 4.694 INCHES MINIMUM IN |
| shoulder_length | 3.938 INCHES NOMINAL IN |
| style_designator | COUNTERBORE UNTHREADED |
| thread_direction | RIGHT-HAND |
| counterbore_depth | 3.930 INCHES NOMINAL IN |
| shoulder_diameter | 0.998 INCHES NOMINAL IN |
| NSN | 5306-00-208-0286 |
| HEAD HEIGHT | 0.125 INCHES NOMINAL IN |
| FASTENER LENGTH | 4.694 INCHES MINIMUM IN |
| THREAD LENGTH | 0.626 INCHES MAXIMUM IN |
| SHANK UNTHREADED HOLE DIAMETER | 0.190 INCHES NOMINAL FIRST HOLE IN |
| STYLE DESIGNATOR | COUNTERBORE UNTHREADED |
| MATERIAL DOCUMENT AND CLASSIFICATION | MIL-S-5000,COND C MIL SPEC SINGLE MATERIAL RESPONSE OVERALL |
| NOMINAL THREAD DIAMETER | 0.875 INCHES IN |
| COUNTERBORE DEPTH | 3.930 INCHES NOMINAL IN |
| HEAD STYLE | ROUND W/WRENCH FLATS |
| THREAD DIRECTION | RIGHT-HAND |
No substitute or cross-reference records for this part.