9A2208: BOLT,RIBBED NECK.
The BOLT,RIBBED NECK is a the manufacturer industrial component. Key specifications include material: STEEL COMP 3135 OVERALL, head_style: HEXAGON, rib_length: 0.281 INCHES NOMINAL IN, head_height: 0.319 INCHES MINIMUM AND 0.338 INCHES MAXIMUM IN, thread_class: 3A A, thread_length: 0.750 INCHES MINIMUM IN. This part is cataloged in the U.S.
Government catalog under NSN 5306-00-375-0819, 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 COMP 3135 OVERALL |
| head_style | HEXAGON |
| rib_length | 0.281 INCHES NOMINAL IN |
| head_height | 0.319 INCHES MINIMUM AND 0.338 INCHES MAXIMUM IN |
| thread_class | 3A A |
| thread_length | 0.750 INCHES MINIMUM IN |
| fastener_length | 1.625 INCHES NOMINAL IN |
| thread_direction | RIGHT-HAND |
| rib_major_diameter | 0.452 INCHES MINIMUM AND 0.457 INCHES MAXIMUM IN |
| width_between_flats | 0.612 INCHES MINIMUM AND 0.625 INCHES MAXIMUM IN |
| nominal_thread_diameter | 0.438 INCHES IN |
| thread_quantity_per_inch | 20 |
| NSN | 5306-00-375-0819 |
| HEAD HEIGHT | 0.319 INCHES MINIMUM AND 0.338 INCHES MAXIMUM IN |
| FASTENER LENGTH | 1.625 INCHES NOMINAL IN |
| THREAD LENGTH | 0.750 INCHES MINIMUM IN |
| MATERIAL DOCUMENT AND CLASSIFICATION | SAE ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| RIB LENGTH | 0.281 INCHES NOMINAL IN |
| NOMINAL THREAD DIAMETER | 0.438 INCHES IN |
| HEAD STYLE | HEXAGON |
| THREAD DIRECTION | RIGHT-HAND |
| WIDTH BETWEEN FLATS | 0.612 INCHES MINIMUM AND 0.625 INCHES MAXIMUM IN |
| RIB MAJOR DIAMETER | 0.452 INCHES MINIMUM AND 0.457 INCHES MAXIMUM IN |