A3880: BOLT,RIBBED NECK.
The BOLT,RIBBED NECK is a the manufacturer industrial component. Key specifications include material: STEEL COMP 1020 OVERALL, head_style: PAN NO. 2, rib_length: 0.428 INCHES MINIMUM AND 0.438 INCHES MAXIMUM IN, head_height: 0.188 INCHES NOMINAL IN, thread_class: 2A A, head_diameter: 0.625 INCHES NOMINAL IN.
This part is cataloged in the U.S. Government catalog under NSN 5306-00-655-7653, 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 1020 OVERALL |
| head_style | PAN NO. 2 |
| rib_length | 0.428 INCHES MINIMUM AND 0.438 INCHES MAXIMUM IN |
| head_height | 0.188 INCHES NOMINAL IN |
| thread_class | 2A A |
| head_diameter | 0.625 INCHES NOMINAL IN |
| thread_length | 0.500 INCHES MINIMUM IN |
| fastener_length | 1.312 INCHES NOMINAL IN |
| thread_direction | RIGHT-HAND |
| surface_treatment | CADMIUM OVERALL |
| rib_major_diameter | 0.421 INCHES MINIMUM AND 0.426 INCHES MAXIMUM IN |
| rib_minor_diameter | 0.368 INCHES MINIMUM AND 0.375 INCHES MAXIMUM IN |
| NSN | 5306-00-655-7653 |
| HEAD HEIGHT | 0.188 INCHES NOMINAL IN |
| FASTENER LENGTH | 1.312 INCHES NOMINAL IN |
| THREAD LENGTH | 0.500 INCHES MINIMUM IN |
| MATERIAL DOCUMENT AND CLASSIFICATION | SAE ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| RIB LENGTH | 0.428 INCHES MINIMUM AND 0.438 INCHES MAXIMUM IN |
| RIB MINOR DIAMETER | 0.368 INCHES MINIMUM AND 0.375 INCHES MAXIMUM IN |
| NOMINAL THREAD DIAMETER | 0.375 INCHES IN |
| HEAD STYLE | PAN NO. 2 |
| THREAD DIRECTION | RIGHT-HAND |
| RIB MAJOR DIAMETER | 0.421 INCHES MINIMUM AND 0.426 INCHES MAXIMUM IN |
No substitute or cross-reference records for this part.