CA21107-6-4HS: BOLT,INTERNALLY RELIEVED BODY.
The BOLT,INTERNALLY RELIEVED BODY is a the manufacturer industrial component. Key specifications include material: STEEL COMP 4140 OR STEEL COMP 8740 OVERALL, head_style: FLAT COUNTERSUNK, thread_class: 3A A, head_diameter: 0.505 INCHES MINIMUM AND 0.564 INCHES MAXIMUM IN, thread_length: 0.780 INCHES MINIMUM AND 0.919 INCHES MAXIMUM IN, fastener_length: 1.210 INCHES NOMINAL IN. This part is cataloged in the U.S.
Government catalog under NSN 5306-01-312-4948, 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 4140 OR STEEL COMP 8740 OVERALL |
| head_style | FLAT COUNTERSUNK |
| thread_class | 3A A |
| head_diameter | 0.505 INCHES MINIMUM AND 0.564 INCHES MAXIMUM IN |
| thread_length | 0.780 INCHES MINIMUM AND 0.919 INCHES MAXIMUM IN |
| fastener_length | 1.210 INCHES NOMINAL IN |
| style_designator | COUNTERBORE UNTHREADED |
| thread_direction | RIGHT-HAND |
| counterbore_depth | 0.110 INCHES MINIMUM IN |
| countersink_angle | 100.0 DEGREES NOMINAL |
| surface_treatment | ALUMINUM OVERALL |
| counterbore_diameter | 0.2187 INCHES MINIMUM AND 0.2217 INCHES MAXIMUM IN |
| NSN | 5306-01-312-4948 |
| FASTENER LENGTH | 1.210 INCHES NOMINAL IN |
| SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | MIL-C-83488 TY 2 CL 3 MIL SPEC SINGLE TREATMENT RESPONSE OVERALL |
| THREAD LENGTH | 0.780 INCHES MINIMUM AND 0.919 INCHES MAXIMUM IN |
| STYLE DESIGNATOR | COUNTERBORE UNTHREADED |
| MATERIAL DOCUMENT AND CLASSIFICATION | MIL-S-5626 MIL SPEC 1ST MATERIAL RESPONSE OR MIL-S-6049 MIL SPEC 2ND MATERIAL RESPONSE OVERALL |
| NOMINAL THREAD DIAMETER | 0.375 INCHES IN |
| COUNTERBORE DEPTH | 0.110 INCHES MINIMUM IN |
| HEAD STYLE | FLAT COUNTERSUNK |
| THREAD DIRECTION | RIGHT-HAND |
| COUNTERBORE DIAMETER | 0.2187 INCHES MINIMUM AND 0.2217 INCHES MAXIMUM IN |