1603691: BOLT,SQUARE NECK.
The BOLT,SQUARE NECK is a the manufacturer industrial component. Key specifications include material: STEEL OVERALL, head_style: BUTTON, neck_width: 0.307 INCHES MINIMUM AND 0.324 INCHES MAXIMUM IN, head_height: 0.156 INCHES MINIMUM AND 0.176 INCHES MAXIMUM 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 5306-01-197-1602, 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 | BUTTON |
| neck_width | 0.307 INCHES MINIMUM AND 0.324 INCHES MAXIMUM IN |
| head_height | 0.156 INCHES MINIMUM AND 0.176 INCHES MAXIMUM IN |
| neck_length | 0.156 INCHES MINIMUM AND 0.187 INCHES MAXIMUM IN |
| thread_class | 2A A |
| head_diameter | 0.688 INCHES MINIMUM AND 0.718 INCHES MAXIMUM IN |
| thread_length | 0.880 INCHES NOMINAL IN |
| fastener_length | 1.500 INCHES NOMINAL IN |
| special_features | INTERNAL DRIVE SQUARE SOCKET IN HEAD |
| thread_direction | RIGHT-HAND |
| surface_treatment | CADMIUM OR ZINC OVERALL |
| NSN | 5306-01-197-1602 |
| NECK LENGTH | 0.156 INCHES MINIMUM AND 0.187 INCHES MAXIMUM IN |
| HEAD HEIGHT | 0.156 INCHES MINIMUM AND 0.176 INCHES MAXIMUM IN |
| FASTENER LENGTH | 1.500 INCHES NOMINAL IN |
| THREAD LENGTH | 0.880 INCHES NOMINAL IN |
| NOMINAL THREAD DIAMETER | 0.312 INCHES IN |
| HEAD STYLE | BUTTON |
| THREAD DIRECTION | RIGHT-HAND |
| NECK WIDTH | 0.307 INCHES MINIMUM AND 0.324 INCHES MAXIMUM IN |
| SPECIAL FEATURES | INTERNAL DRIVE SQUARE SOCKET IN HEAD |
| SURFACE TREATMENT | CADMIUM OR ZINC OVERALL |