5306PL1499381: BOLT,CLOSE TOLERANCE.
The BOLT,CLOSE TOLERANCE is a the manufacturer industrial component. Key specifications include material: IRON ALLOY 660 OVERALL, head_style: DOUBLE HEXAGON W/HOLE, grip_length: 0.688 INCHES NOMINAL IN, head_height: 0.330 INCHES NOMINAL IN, thread_class: 3A A, grip_diameter: 0.2494 INCHES MINIMUM AND 0.2499 INCHES MAXIMUM IN. This part is cataloged in the U.S.
Government catalog under NSN 5306-01-321-8589, 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 W/HOLE |
| grip_length | 0.688 INCHES NOMINAL IN |
| head_height | 0.330 INCHES NOMINAL IN |
| thread_class | 3A A |
| grip_diameter | 0.2494 INCHES MINIMUM AND 0.2499 INCHES MAXIMUM IN |
| thread_length | 0.624 INCHES NOMINAL IN |
| surface_finish | 32.0 MICROINCHES GRIP |
| fastener_length | 1.312 INCHES NOMINAL IN |
| thread_direction | RIGHT-HAND |
| width_between_flats | 0.305 INCHES MINIMUM AND 0.313 INCHES MAXIMUM IN |
| nominal_thread_diameter | 0.250 INCHES IN |
| NSN | 5306-01-321-8589 |
| SURFACE FINISH | 32.0 MICROINCHES GRIP |
| SURFACE FINISH | 32.0 MICROINCHES BEARING SURFACE OF HEAD |
| EXTENDED WASHER THICKNESS | 0.050 INCHES MINIMUM AND 0.060 INCHES MAXIMUM IN |
| HEAD HEIGHT | 0.330 INCHES NOMINAL IN |
| FASTENER LENGTH | 1.312 INCHES NOMINAL IN |
| EXTENDED WASHER DIAMETER | 0.438 INCHES NOMINAL IN |
| THREAD LENGTH | 0.624 INCHES NOMINAL IN |
| MATERIAL DOCUMENT AND CLASSIFICATION | AMS 5731 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| NOMINAL THREAD DIAMETER | 0.250 INCHES IN |
| HEAD STYLE | DOUBLE HEXAGON W/HOLE |