A51G20540-11: BOLT,INTERNALLY RELIEVED BODY.
The BOLT,INTERNALLY RELIEVED BODY is a the manufacturer industrial component. Key specifications include material: STEEL COMP XM-12 OVERALL, head_style: ROUND W/WRENCH FLATS CHAMFERED, head_height: 0.125 INCHES NOMINAL IN, thread_class: 3A A, head_diameter: 0.750 INCHES NOMINAL IN, thread_length: 0.340 INCHES MAXIMUM IN. This part is cataloged in the U.S.
Government catalog under NSN 5306-00-009-7617, 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 XM-12 OVERALL |
| head_style | ROUND W/WRENCH FLATS CHAMFERED |
| head_height | 0.125 INCHES NOMINAL IN |
| thread_class | 3A A |
| head_diameter | 0.750 INCHES NOMINAL IN |
| thread_length | 0.340 INCHES MAXIMUM IN |
| fastener_length | 2.880 INCHES NOMINAL IN |
| hardness_rating | 38.0 ROCKWELL C MINIMUM AND 45.0 ROCKWELL C MAXIMUM OVERALL |
| shoulder_length | 2.540 INCHES NOMINAL IN |
| style_designator | CONCENTRIC HOLE UNTHREADED |
| thread_direction | RIGHT-HAND |
| shoulder_diameter | 0.3740 INCHES MINIMUM AND 0.3745 INCHES MAXIMUM IN |
| NSN | 5306-00-009-7617 |
| HEAD HEIGHT | 0.125 INCHES NOMINAL IN |
| FASTENER LENGTH | 2.880 INCHES NOMINAL IN |
| SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | QQ-C-320 FED SPEC 1ST TREATMENT RESPONSE HEAD |
| CONCENTRIC HOLE DEPTH | 2.400 INCHES NOMINAL IN |
| THREAD LENGTH | 0.340 INCHES MAXIMUM IN |
| HARDNESS RATING | 38.0 ROCKWELL C MINIMUM AND 45.0 ROCKWELL C MAXIMUM OVERALL |
| SHANK UNTHREADED HOLE DIAMETER | 0.075 INCHES MINIMUM AND 0.080 INCHES MAXIMUM FIRST HOLE IN |
| STYLE DESIGNATOR | CONCENTRIC HOLE UNTHREADED |
| NOMINAL THREAD DIAMETER | 0.250 INCHES IN |
| HEAD STYLE | ROUND W/WRENCH FLATS CHAMFERED |
No substitute or cross-reference records for this part.