J644P11E: BOLT,MACHINE.
The BOLT,MACHINE is a the manufacturer industrial component. Key specifications include material: IRON ALLOY 660 OVERALL, head_style: DOUBLE HEXAGON EXTENDED WASHER, grip_length: 0.079 INCHES MINIMUM AND 0.125 INCHES MAXIMUM IN, head_height: 0.300 INCHES NOMINAL IN, thread_class: 3A A, thread_length: 0.740 INCHES MINIMUM AND 0.806 INCHES MAXIMUM IN. This part is cataloged in the U.S.
Government catalog under NSN 5306-01-274-8315, 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 |
| head_style | DOUBLE HEXAGON EXTENDED WASHER |
| grip_length | 0.079 INCHES MINIMUM AND 0.125 INCHES MAXIMUM IN |
| head_height | 0.300 INCHES NOMINAL IN |
| thread_class | 3A A |
| thread_length | 0.740 INCHES MINIMUM AND 0.806 INCHES MAXIMUM IN |
| surface_finish | 32.0 MICROINCHES THREADS |
| fastener_length | 0.865 INCHES MINIMUM AND 0.885 INCHES MAXIMUM IN |
| thread_direction | RIGHT-HAND |
| features_provided | FINISHED HEAD |
| width_between_flats | 0.312 INCHES NOMINAL IN |
| nominal_thread_diameter | 0.250 INCHES IN |
| NSN | 5306-01-274-8315 |
| 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 NOMINAL IN |
| HEAD HEIGHT | 0.300 INCHES NOMINAL IN |
| FASTENER LENGTH | 0.865 INCHES MINIMUM AND 0.885 INCHES MAXIMUM IN |
| EXTENDED WASHER DIAMETER | 0.438 INCHES NOMINAL IN |
| THREAD LENGTH | 0.740 INCHES MINIMUM AND 0.806 INCHES MAXIMUM IN |
| MATERIAL DOCUMENT AND CLASSIFICATION | AMS 5731 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| NOMINAL THREAD DIAMETER | 0.250 INCHES IN |