NAS1264-30D: BOLT,CLOSE TOLERANCE.
The BOLT,CLOSE TOLERANCE is a the manufacturer industrial component. Key specifications include material: TITANIUM ALLOY UNS R54520 OVERALL, head_style: HEXAGON, grip_length: 1.865 INCHES MINIMUM AND 1.885 INCHES MAXIMUM IN, head_height: 0.438 INCHES MINIMUM AND 0.453 INCHES MAXIMUM IN, thread_class: 3A A, grip_diameter: 0.8735 INCHES MINIMUM AND 0.8740 INCHES MAXIMUM IN. This part is cataloged in the U.S.
Government catalog under NSN 5306-01-127-7583, 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 | TITANIUM ALLOY UNS R54520 OVERALL |
| head_style | HEXAGON |
| grip_length | 1.865 INCHES MINIMUM AND 1.885 INCHES MAXIMUM IN |
| head_height | 0.438 INCHES MINIMUM AND 0.453 INCHES MAXIMUM IN |
| thread_class | 3A A |
| grip_diameter | 0.8735 INCHES MINIMUM AND 0.8740 INCHES MAXIMUM IN |
| thread_length | 0.627 INCHES MINIMUM AND 0.677 INCHES MAXIMUM IN |
| surface_finish | 16.0 MICROINCHES THREADS |
| fastener_length | 2.512 INCHES MINIMUM AND 2.542 INCHES MAXIMUM IN |
| thread_direction | RIGHT-HAND |
| width_between_flats | 1.239 INCHES MINIMUM AND 1.252 INCHES MAXIMUM IN |
| nominal_thread_diameter | 0.875 INCHES IN |
| NSN | 5306-01-127-7583 |
| SURFACE FINISH | 63.0 MICROINCHES GRIP |
| SURFACE FINISH | 63.0 MICROINCHES BEARING SURFACE OF HEAD |
| SURFACE FINISH | 16.0 MICROINCHES THREADS |
| HEAD HEIGHT | 0.438 INCHES MINIMUM AND 0.453 INCHES MAXIMUM IN |
| FASTENER LENGTH | 2.512 INCHES MINIMUM AND 2.542 INCHES MAXIMUM IN |
| THREAD LENGTH | 0.627 INCHES MINIMUM AND 0.677 INCHES MAXIMUM IN |
| SHANK UNTHREADED HOLE DIAMETER | 0.141 INCHES MINIMUM AND 0.151 INCHES MAXIMUM FIRST HOLE IN |
| MATERIAL DOCUMENT AND CLASSIFICATION | NAS621 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| NOMINAL THREAD DIAMETER | 0.875 INCHES IN |
| HEAD STYLE | HEXAGON |