6512-21-122-5101: 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: HEXAGON, thread_class: 3A A, thread_length: 0.630 INCHES NOMINAL IN, fastener_length: 5.190 INCHES NOMINAL IN, hardness_rating: 39.0 ROCKWELL C MINIMUM AND 43.0 ROCKWELL C MAXIMUM OVERALL. This part is cataloged in the U.S.
Government catalog under NSN 5306-01-146-8160, 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 | HEXAGON |
| thread_class | 3A A |
| thread_length | 0.630 INCHES NOMINAL IN |
| fastener_length | 5.190 INCHES NOMINAL IN |
| hardness_rating | 39.0 ROCKWELL C MINIMUM AND 43.0 ROCKWELL C MAXIMUM OVERALL |
| style_designator | CONCENTRIC HOLE UNTHREADED |
| thread_direction | RIGHT-HAND |
| surface_treatment | CADMIUM OVERALL |
| nominal_thread_diameter | 0.875 INCHES IN |
| concentric_hole_diameter | 0.500 INCHES NOMINAL IN |
| thread_quantity_per_inch | 14 |
| NSN | 5306-01-146-8160 |
| FASTENER LENGTH | 5.190 INCHES NOMINAL IN |
| SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | QQ-P-416,TYPE 2,CLASS 2 FED SPEC SINGLE TREATMENT RESPONSE OVERALL |
| THREAD LENGTH | 0.630 INCHES NOMINAL IN |
| HARDNESS RATING | 39.0 ROCKWELL C MINIMUM AND 43.0 ROCKWELL C MAXIMUM OVERALL |
| STYLE DESIGNATOR | CONCENTRIC HOLE UNTHREADED |
| MATERIAL DOCUMENT AND CLASSIFICATION | MIL-S-5000 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL |
| NOMINAL THREAD DIAMETER | 0.875 INCHES IN |
| HEAD STYLE | HEXAGON |
| THREAD DIRECTION | RIGHT-HAND |
| CONCENTRIC HOLE DIAMETER | 0.500 INCHES NOMINAL IN |
No substitute or cross-reference records for this part.