138657: BOLT,MACHINE.
The BOLT,MACHINE is a the manufacturer industrial component. Key specifications include material: COPPER ALLOY 172 OVERALL, head_style: DEE CHAMFER, head_height: 0.140 INCHES NOMINAL IN, head_diameter: 0.770 INCHES NOMINAL IN, thread_length: 0.590 INCHES MINIMUM IN, fastener_length: 3.320 INCHES NOMINAL IN. This part is cataloged in the U.S.
Government catalog under NSN 5306-00-379-3554, 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 | COPPER ALLOY 172 OVERALL |
| head_style | DEE CHAMFER |
| head_height | 0.140 INCHES NOMINAL IN |
| head_diameter | 0.770 INCHES NOMINAL IN |
| thread_length | 0.590 INCHES MINIMUM IN |
| fastener_length | 3.320 INCHES NOMINAL IN |
| hardness_rating | 26.0 ROCKWELL C MINIMUM AND 32.0 ROCKWELL C MAXIMUM OVERALL |
| thread_direction | RIGHT-HAND |
| nominal_thread_diameter | 0.375 INCHES IN |
| first_diameter_from_head | 0.366 INCHES MINIMUM AND 0.368 INCHES MAXIMUM IN |
| thread_quantity_per_inch | 24 |
| thread_series_designator | UNF |
| NSN | 5306-00-379-3554 |
No substitute or cross-reference records for this part.