The BOLT,INTERNAL WRENCHING is a the manufacturer industrial component. Key specifications include material: STEEL COMP 4340 OR STEEL COMP 4140 OR STEEL COMP 8740 OR STEEL COMP 8735 OVERALL, head_style: BEVEL-CONICAL, head_height: 0.312 INCHES NOMINAL IN, thread_class: 3A A, head_diameter: 0.521 INCHES MINIMUM AND 0.531 INCHES MAXIMUM IN, thread_length: 0.537 INCHES MINIMUM IN. This product is currently in active production with full OEM support.
This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5306-01-415-6733, 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 OR STEEL COMP 4140 OR STEEL COMP 8740 OR STEEL COMP 8735 OVERALL |
| head_style | BEVEL-CONICAL |
| head_height | 0.312 INCHES NOMINAL IN |
| thread_class | 3A A |
| head_diameter | 0.521 INCHES MINIMUM AND 0.531 INCHES MAXIMUM IN |
| thread_length | 0.537 INCHES MINIMUM IN |
| fastener_length | 6.375 INCHES NOMINAL IN |
| hardness_rating | 34.0 ROCKWELL C MINIMUM AND 40.0 ROCKWELL C MAXIMUM OVERALL |
| thread_direction | RIGHT-HAND |
| surface_treatment | CADMIUM AND CHROMATE OVERALL |
| width_across_flats | 0.219 INCHES MINIMUM AND 0.221 INCHES MAXIMUM IN |
| internal_drive_style | HEXAGON |
| NSN | 5306-01-415-6733 |
| INTERNAL DRIVE STYLE | HEXAGON |
| THREAD QUANTITY PER INCH | 24 |
| THREAD SERIES DESIGNATOR | UNIFIED NATIONAL JOINT FINE (UNJF) |
| HARDNESS RATING | 34.0 ROCKWELL C MINIMUM AND 40.0 ROCKWELL C MAXIMUM OVERALL |
| SURFACE TREATMENT | CADMIUM AND CHROMATE OVERALL |
| NOMINAL THREAD DIAMETER | 0.312 INCHES IN |
| SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | QQ-P-416, TYPE 2, CLASS 2 FED SPEC ALL TREATMENT RESPONSES OVERALL |
| THREAD DIRECTION | RIGHT-HAND |
| FASTENER LENGTH | 6.375 INCHES NOMINAL IN |
| HEAD STYLE | BEVEL-CONICAL |