1A7544: BOLT,MACHINE.
The BOLT,MACHINE is a the manufacturer industrial component. Key specifications include material: STEEL OVERALL, head_style: DOUBLE HEXAGON W/HOLE, head_height: 0.293 INCHES MINIMUM AND 0.313 INCHES MAXIMUM IN, thread_class: 3A A, thread_length: 0.871 INCHES MINIMUM AND 0.891 INCHES MAXIMUM IN, fastener_length: 1.740 INCHES MINIMUM AND 1.760 INCHES MAXIMUM IN. This part is cataloged in the U.S.
Government catalog under NSN 5306-01-408-4061, 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 | DOUBLE HEXAGON W/HOLE |
| head_height | 0.293 INCHES MINIMUM AND 0.313 INCHES MAXIMUM IN |
| thread_class | 3A A |
| thread_length | 0.871 INCHES MINIMUM AND 0.891 INCHES MAXIMUM IN |
| fastener_length | 1.740 INCHES MINIMUM AND 1.760 INCHES MAXIMUM IN |
| thread_direction | RIGHT-HAND |
| width_between_flats | 0.222 INCHES MINIMUM AND 0.232 INCHES MAXIMUM IN |
| nominal_thread_diameter | 0.250 INCHES IN |
| extended_washer_diameter | 0.428 INCHES MINIMUM AND 0.448 INCHES MAXIMUM IN |
| thread_quantity_per_inch | 28 |
| thread_series_designator | UNIFIED NATIONAL JOINT FINE (UNJF) |
| NSN | 5306-01-408-4061 |
| EXTENDED WASHER THICKNESS | 0.060 INCHES NOMINAL IN |
| HEAD HEIGHT | 0.293 INCHES MINIMUM AND 0.313 INCHES MAXIMUM IN |
| FASTENER LENGTH | 1.740 INCHES MINIMUM AND 1.760 INCHES MAXIMUM IN |
| EXTENDED WASHER DIAMETER | 0.428 INCHES MINIMUM AND 0.448 INCHES MAXIMUM IN |
| THREAD LENGTH | 0.871 INCHES MINIMUM AND 0.891 INCHES MAXIMUM IN |
| NOMINAL THREAD DIAMETER | 0.250 INCHES IN |
| HEAD STYLE | DOUBLE HEXAGON W/HOLE |
| THREAD DIRECTION | RIGHT-HAND |
| WIDTH BETWEEN FLATS | 0.222 INCHES MINIMUM AND 0.232 INCHES MAXIMUM IN |
| THREAD CLASS | 3A A |
No substitute or cross-reference records for this part.