123AMM40185-1: BOLT,INTERNALLY RELIEVED BODY.
The BOLT,INTERNALLY RELIEVED BODY is a the manufacturer industrial component. Key specifications include material: STEEL COMP 4340 OVERALL, head_style: ROUND W/WRENCH FLATS, head_height: 0.190 INCHES NOMINAL IN, thread_class: 3A A, head_diameter: 1.750 INCHES NOMINAL IN, thread_length: 0.964 INCHES MAXIMUM IN. This part is cataloged in the U.S.
Government catalog under NSN 5306-00-894-2124, 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 4340 OVERALL |
| head_style | ROUND W/WRENCH FLATS |
| head_height | 0.190 INCHES NOMINAL IN |
| thread_class | 3A A |
| head_diameter | 1.750 INCHES NOMINAL IN |
| thread_length | 0.964 INCHES MAXIMUM IN |
| fastener_length | 2.562 INCHES NOMINAL IN |
| hardness_rating | 37.0 ROCKWELL C MINIMUM AND 40.0 ROCKWELL C MAXIMUM OVERALL |
| shoulder_length | 1.598 INCHES NOMINAL IN |
| style_designator | COUNTERBORE UNTHREADED |
| thread_direction | RIGHT-HAND |
| counterbore_depth | 1.312 INCHES NOMINAL IN |
| NSN | 5306-00-894-2124 |
| HEAD HEIGHT | 0.190 INCHES NOMINAL IN |
| FASTENER LENGTH | 2.562 INCHES NOMINAL IN |
| THREAD LENGTH | 0.964 INCHES MAXIMUM IN |
| HARDNESS RATING | 37.0 ROCKWELL C MINIMUM AND 40.0 ROCKWELL C MAXIMUM OVERALL |
| SHANK UNTHREADED HOLE DIAMETER | 0.069 INCHES MINIMUM AND 0.074 INCHES MAXIMUM FIRST HOLE IN |
| STYLE DESIGNATOR | COUNTERBORE UNTHREADED |
| NOMINAL THREAD DIAMETER | 1.125 INCHES IN |
| COUNTERBORE DEPTH | 1.312 INCHES NOMINAL IN |
| HEAD STYLE | ROUND W/WRENCH FLATS |
| THREAD DIRECTION | RIGHT-HAND |
No substitute or cross-reference records for this part.