The BOLT,INTERNAL WRENCHING is a the manufacturer industrial component. Key specifications include material: STEEL OVERALL, hole_type: DRILLED, head_style: FLAT CHAMFER, head_height: 0.312 INCHES NOMINAL IN, thread_class: 3A A, head_diameter: 0.438 INCHES NOMINAL IN. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5306-00-639-4864, 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 OVERALL |
| hole_type | DRILLED |
| head_style | FLAT CHAMFER |
| head_height | 0.312 INCHES NOMINAL IN |
| thread_class | 3A A |
| head_diameter | 0.438 INCHES NOMINAL IN |
| hole_diameter | 0.063 INCHES NOMINAL IN |
| hole_quantity | 6 |
| thread_length | 1.125 INCHES MINIMUM IN |
| fastener_length | 4.250 INCHES NOMINAL IN |
| thread_direction | RIGHT-HAND |
| surface_treatment | CADMIUM AND CHROMATE OVERALL |
| NSN | 5306-00-639-4864 |
| HOLE CONFIGURATION STYLE | ROUND LONGITUDINAL HOLE |
| INTERNAL DRIVE STYLE | HEXAGON |
| HEAD DIAMETER | 0.438 INCHES NOMINAL IN |
| THREAD DIRECTION | RIGHT-HAND |
| HEAD STYLE | FLAT CHAMFER |
| SURFACE TREATMENT | CADMIUM AND CHROMATE OVERALL |
| THREAD SERIES DESIGNATOR | UNIFIED NATIONAL COARSE (UNC) |
| MATERIAL | STEEL OVERALL |
| HEAD HEIGHT | 0.312 INCHES NOMINAL IN |
| WIDTH ACROSS FLATS | 0.250 INCHES NOMINAL IN |