128667: BOLT,SQUARE NECK.
The BOLT,SQUARE NECK is a the manufacturer industrial component. Key specifications include material: STEEL OVERALL, head_style: OVAL, neck_width: 0.307 INCHES MINIMUM AND 0.324 INCHES MAXIMUM IN, head_height: 0.156 INCHES NOMINAL IN, neck_length: 0.156 INCHES MINIMUM AND 0.187 INCHES MAXIMUM IN, thread_class: 2A A. This part is cataloged in the U.S.
Government catalog under NSN 5306-00-012-8667, 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 OVERALL |
| head_style | OVAL |
| neck_width | 0.307 INCHES MINIMUM AND 0.324 INCHES MAXIMUM IN |
| head_height | 0.156 INCHES NOMINAL IN |
| neck_length | 0.156 INCHES MINIMUM AND 0.187 INCHES MAXIMUM IN |
| thread_class | 2A A |
| head_diameter | 1.000 INCHES NOMINAL IN |
| thread_length | 0.875 INCHES MINIMUM IN |
| fastener_length | 2.500 INCHES NOMINAL IN |
| thread_direction | RIGHT-HAND |
| surface_treatment | CADMIUM OR ZINC OVERALL |
| nominal_thread_diameter | 0.312 INCHES IN |
| NSN | 5306-00-012-8667 |
| NECK LENGTH | 0.156 INCHES MINIMUM AND 0.187 INCHES MAXIMUM IN |
| HEAD HEIGHT | 0.156 INCHES NOMINAL IN |
| FASTENER LENGTH | 2.500 INCHES NOMINAL IN |
| THREAD LENGTH | 0.875 INCHES MINIMUM IN |
| MATERIAL DOCUMENT AND CLASSIFICATION | QQ-S-633,CANC FED SPEC SINGLE MATERIAL RESPONSE OVERALL |
| NOMINAL THREAD DIAMETER | 0.312 INCHES IN |
| HEAD STYLE | OVAL |
| THREAD DIRECTION | RIGHT-HAND |
| NECK WIDTH | 0.307 INCHES MINIMUM AND 0.324 INCHES MAXIMUM IN |
| SURFACE TREATMENT | CADMIUM OR ZINC OVERALL |
No substitute or cross-reference records for this part.