123AMM12136-5: 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: 0.187 INCHES NOMINAL IN, thread_class: 3A A, head_diameter: 0.937 INCHES NOMINAL IN, thread_length: 0.520 INCHES NOMINAL IN. This part is cataloged in the U.S.
Government catalog under NSN 5306-00-076-5690, 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 | 0.187 INCHES NOMINAL IN |
| thread_class | 3A A |
| head_diameter | 0.937 INCHES NOMINAL IN |
| thread_length | 0.520 INCHES NOMINAL IN |
| fastener_length | 1.750 INCHES NOMINAL IN |
| hardness_rating | 39.0 ROCKWELL C MINIMUM AND 40.0 ROCKWELL C MAXIMUM OVERALL |
| shoulder_length | 1.230 INCHES NOMINAL IN |
| special_features | SHOULDER EXTERNALLY RELIEVED 0.250 IN. W BY 0.031 IN DEEP LOCATED 0.500 IN. FROM HEAD BEARING SURFACE IN |
| style_designator | COUNTERBORE UNTHREADED |
| thread_direction | RIGHT-HAND |
| NSN | 5306-00-076-5690 |
| HEAD HEIGHT | 0.187 INCHES NOMINAL IN |
| FASTENER LENGTH | 1.750 INCHES NOMINAL IN |
| CONCENTRIC HOLE DEPTH | 1.718 INCHES MINIMUM AND 1.750 INCHES MAXIMUM IN |
| THREAD LENGTH | 0.520 INCHES NOMINAL IN |
| HARDNESS RATING | 39.0 ROCKWELL C MINIMUM AND 40.0 ROCKWELL C MAXIMUM OVERALL |
| SHANK UNTHREADED HOLE DIAMETER | 0.061 INCHES MINIMUM AND 0.066 INCHES MAXIMUM FIRST HOLE IN |
| STYLE DESIGNATOR | COUNTERBORE UNTHREADED |
| MATERIAL DOCUMENT AND CLASSIFICATION | MIL-S-5000 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL |
| NOMINAL THREAD DIAMETER | 0.437 INCHES IN |
| COUNTERBORE DEPTH | 0.156 INCHES MINIMUM AND 0.187 INCHES MAXIMUM IN |
No substitute or cross-reference records for this part.