J644P32A: BOLT,MACHINE.
The BOLT,MACHINE is a the manufacturer industrial component. Key specifications include material: NICKEL ALLOY OVERALL, head_style: DOUBLE HEXAGON EXTENDED WASHER, head_height: 0.293 INCHES MINIMUM AND 0.313 INCHES MAXIMUM IN, thread_class: 3A A, thread_length: 0.750 INCHES NOMINAL IN, fastener_length: 2.615 INCHES MINIMUM AND 2.635 INCHES MAXIMUM IN. This part is cataloged in the U.S.
Government catalog under NSN 5306-01-172-6624, 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 | NICKEL ALLOY OVERALL |
| head_style | DOUBLE HEXAGON EXTENDED WASHER |
| head_height | 0.293 INCHES MINIMUM AND 0.313 INCHES MAXIMUM IN |
| thread_class | 3A A |
| thread_length | 0.750 INCHES NOMINAL IN |
| fastener_length | 2.615 INCHES MINIMUM AND 2.635 INCHES MAXIMUM IN |
| thread_direction | RIGHT-HAND |
| width_between_flats | 0.313 INCHES NOMINAL 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 | 5306-01-172-6624 |
| EXTENDED WASHER THICKNESS | 0.060 INCHES MINIMUM AND 0.070 INCHES MAXIMUM IN |
| HEAD HEIGHT | 0.293 INCHES MINIMUM AND 0.313 INCHES MAXIMUM IN |
| FASTENER LENGTH | 2.615 INCHES MINIMUM AND 2.635 INCHES MAXIMUM IN |
| EXTENDED WASHER DIAMETER | 0.428 INCHES MINIMUM AND 0.448 INCHES MAXIMUM IN |
| THREAD LENGTH | 0.750 INCHES NOMINAL IN |
| NOMINAL THREAD DIAMETER | 0.250 INCHES IN |
| HEAD STYLE | DOUBLE HEXAGON EXTENDED WASHER |
| THREAD DIRECTION | RIGHT-HAND |
| WIDTH BETWEEN FLATS | 0.313 INCHES NOMINAL IN |
| THREAD CLASS | 3A A |
No substitute or cross-reference records for this part.