AN4-6A: BOLT,MACHINE.
The BOLT,MACHINE is a the manufacturer industrial component. Key specifications include material: STEEL OVERALL, head_style: HEXAGON, grip_length: 0.312 INCHES NOMINAL IN, head_height: 0.172 INCHES NOMINAL IN, thread_class: 3A A, thread_length: 0.469 INCHES MINIMUM IN. This part is cataloged in the U.S.
Government catalog under NSN 5306-00-151-1426, 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 |
| head_style | HEXAGON |
| grip_length | 0.312 INCHES NOMINAL IN |
| head_height | 0.172 INCHES NOMINAL IN |
| thread_class | 3A A |
| thread_length | 0.469 INCHES MINIMUM IN |
| fastener_length | 0.781 INCHES NOMINAL IN |
| hardness_rating | 26.0 ROCKWELL C MINIMUM AND 32.0 ROCKWELL C MAXIMUM OVERALL |
| special_features | FLEET BALLISTIC MISSILE QUALITY AS MODIFIED BY QUALITY CONTROL NO. POSO900273 |
| thread_direction | RIGHT-HAND |
| features_provided | FINISHED HEAD |
| surface_treatment | CADMIUM OVERALL |
| NSN | 5306-00-151-1426 |
| HEAD HEIGHT | 0.140 INCHES MINIMUM AND 0.172 INCHES MAXIMUM IN |
| FASTENER LENGTH | 0.781 INCHES NOMINAL IN |
| SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | QQ-P-416,TYPE 2,CLASS 3 FED SPEC ALL TREATMENT RESPONSES OVERALL |
| THREAD LENGTH | 0.397 INCHES MINIMUM IN |
| HARDNESS RATING | 26.0 ROCKWELL C MINIMUM AND 32.0 ROCKWELL C MAXIMUM OVERALL |
| NOMINAL THREAD DIAMETER | 0.250 INCHES IN |
| FEATURES PROVIDED | FINISHED HEAD |
| HEAD STYLE | HEXAGON |
| THREAD DIRECTION | RIGHT-HAND |
| GRIP LENGTH | 0.383 INCHES NOMINAL IN |