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 Federal Logistics Information System (FLIS) under NSN 5306-00-054-8024, 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 0.719 INCHES MAXIMUM IN |
| thread_length | 0.875 INCHES MINIMUM IN |
| fastener_length | 2.469 INCHES MINIMUM AND 2.531 INCHES MAXIMUM IN |
| hardness_rating | 95.0 ROCKWELL B MAXIMUM OVERALL |
| thread_direction | RIGHT-HAND |
| surface_treatment | ZINC OVERALL |
| NSN | 5306-00-054-8024 |
| MATERIAL | STEEL OVERALL |
| NECK WIDTH | 0.307 INCHES MINIMUM AND 0.324 INCHES MAXIMUM IN |
| FASTENER LENGTH | 2.469 INCHES MINIMUM AND 2.531 INCHES MAXIMUM IN |
| HEAD DIAMETER | 0.688 INCHES MINIMUM AND 0.719 INCHES MAXIMUM IN |
| THREAD DIRECTION | RIGHT-HAND |
| SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | ASTM B633 ASSN STD SINGLE TREATMENT RESPONSE OVERALL |
| MATERIAL DOCUMENT AND CLASSIFICATION | SAE GR 1 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| THREAD SERIES DESIGNATOR | UNIFIED NATIONAL COARSE (UNC) |
| SURFACE TREATMENT | ZINC OVERALL |
| NECK LENGTH | 0.156 INCHES MINIMUM AND 0.187 INCHES MAXIMUM IN |