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 5306-00-989-4050, 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 | 5306-00-989-4050 |
| THREAD LENGTH | 0.537 INCHES MINIMUM AND 0.587 INCHES MAXIMUM IN |
| THREAD CLASS | 3A A |
| INTERNAL DRIVE STYLE | HEXAGON |
| FASTENER LENGTH | 6.297 INCHES MINIMUM AND 6.327 INCHES MAXIMUM IN |
| SURFACE TREATMENT | CADMIUM AND CHROMATE OVERALL |
| HARDNESS RATING | 34.0 ROCKWELL C MINIMUM AND 40.0 ROCKWELL C MAXIMUM OVERALL |
| MATERIAL | STEEL COMP 4140 OR STEEL COMP E4340 OR STEEL COMP 6150 OR STEEL COMP 8735 OR STEEL COMP 8740 OVERALL |
| MATERIAL DOCUMENT AND CLASSIFICATION | MIL-S-5626 MIL SPEC 1ST MATERIAL RESPONSE OR MIL-S-5000 MIL SPEC 2ND MATERIAL RESPONSE OR MIL-S-8503 MIL SPEC 3RD MATERIAL RESPONSE OR MIL-S-6098 MIL SPEC 4TH MATERIAL RESPONSE OR MIL-S-6049 MIL SPEC 5TH MATERIAL RESPONSE OVERALL |
| THREAD SERIES DESIGNATOR | UNF |
| SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | QQ-P-416,TYPE 2,CLASS 3 FED SPEC ALL TREATMENT RESPONSES OVERALL |