SAE AS9566: BOLT,MACHINE.
The BOLT,MACHINE is a the manufacturer industrial component. Key specifications include material: IRON ALLOY 660 OVERALL, hole_type: DRILLED, head_style: DOUBLE HEXAGON W/HOLE, grip_length: 0.079 INCHES MINIMUM AND 0.099 INCHES MAXIMUM IN, head_height: 0.300 INCHES NOMINAL IN, thread_class: 3A A. This part is cataloged in the U.S.
Government catalog under NSN 5306-00-143-1541, 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 | IRON ALLOY 660 OVERALL |
| hole_type | DRILLED |
| head_style | DOUBLE HEXAGON W/HOLE |
| grip_length | 0.079 INCHES MINIMUM AND 0.099 INCHES MAXIMUM IN |
| head_height | 0.300 INCHES NOMINAL IN |
| thread_class | 3A A |
| hole_diameter | 0.070 INCHES NOMINAL IN |
| hole_quantity | 4 |
| thread_length | 0.276 INCHES MINIMUM AND 0.296 INCHES MAXIMUM IN |
| surface_finish | 32.0 MICROINCHES GRIP |
| fastener_length | 0.375 INCHES NOMINAL IN |
| hardness_rating | 248.0 BRINELL STANDARD MINIMUM AND 341.0 BRINELL STANDARD MAXIMUM OVERALL |
| NSN | 5306-00-143-1541 |
| SURFACE FINISH | 32.0 MICROINCHES THREADS |
| SURFACE FINISH | 32.0 MICROINCHES GRIP |
| SURFACE FINISH | 32.0 MICROINCHES BEARING SURFACE OF HEAD |
| EXTENDED WASHER THICKNESS | 0.060 INCHES MINIMUM AND 0.070 INCHES MAXIMUM IN |
| HEAD HEIGHT | 0.300 INCHES NOMINAL IN |
| FASTENER LENGTH | 0.375 INCHES NOMINAL IN |
| EXTENDED WASHER DIAMETER | 0.438 INCHES NOMINAL IN |
| THREAD LENGTH | 0.276 INCHES MINIMUM AND 0.296 INCHES MAXIMUM IN |
| HARDNESS RATING | 248.0 BRINELL STANDARD MINIMUM AND 341.0 BRINELL STANDARD MAXIMUM OVERALL |
| HOLE CONFIGURATION STYLE | DOUBLE HEXAGON LONGITUDINAL HOLE |