AN73-4: BOLT,MACHINE.
The BOLT,MACHINE is a the manufacturer industrial component. Key specifications include hole_type: DRILLED, head_style: HEXAGON, grip_length: 0.046 INCHES MINIMUM AND 0.078 INCHES MAXIMUM IN, head_height: 0.172 INCHES MINIMUM AND 0.203 INCHES MAXIMUM IN, thread_class: 3A A, hole_diameter: 0.070 INCHES NOMINAL IN. This part is cataloged in the U.S.
Government catalog under NSN 5306-00-156-2649, 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 8740 OR STEEL COMP 8630 OR STEEL COMP 8735 OR STEEL COMP 4037 OR STEEL COMP 4130 OR STEEL COMP 4140 OVERALL |
| hole_type | DRILLED |
| head_style | HEXAGON |
| grip_length | 0.046 INCHES MINIMUM AND 0.078 INCHES MAXIMUM IN |
| head_height | 0.172 INCHES MINIMUM AND 0.203 INCHES MAXIMUM IN |
| thread_class | 3A A |
| hole_diameter | 0.070 INCHES NOMINAL IN |
| hole_quantity | 6 |
| thread_length | 0.500 INCHES MINIMUM AND 0.547 INCHES MAXIMUM IN |
| fastener_length | 0.578 INCHES MINIMUM AND 0.625 INCHES MAXIMUM IN |
| hardness_rating | 26.0 ROCKWELL C MINIMUM AND 32.0 ROCKWELL C MAXIMUM OVERALL |
| thread_direction | RIGHT-HAND |
| NSN | 5306-00-156-2649 |
| HEAD HEIGHT | 0.234 INCHES MINIMUM AND 0.266 INCHES MAXIMUM IN |
| FASTENER LENGTH | 3.594 INCHES NOMINAL IN |
| SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | QQ-P-416,TYPE 2,CLASS 3 FED SPEC ALL TREATMENT RESPONSES OVERALL |
| THREAD LENGTH | 0.656 INCHES MINIMUM IN |
| HARDNESS RATING | 26.0 ROCKWELL C MINIMUM AND 32.0 ROCKWELL C MAXIMUM OVERALL |
| SHANK UNTHREADED HOLE DIAMETER | 0.106 INCHES NOMINAL FIRST HOLE IN |
| MATERIAL DOCUMENT AND CLASSIFICATION | MIL-B-6812 MIL SPEC ALL MATERIAL RESPONSES OVERALL |
| NOMINAL THREAD DIAMETER | 0.438 INCHES IN |
| FEATURES PROVIDED | FINISHED HEAD |
| HEAD STYLE | HEXAGON |