The BOLT,SQUARE NECK is a the manufacturer industrial component. Key specifications include material: STEEL OVERALL, head_style: BUTTON, neck_width: 0.492 INCHES MINIMUM AND 0.515 INCHES MAXIMUM IN, head_height: 0.250 INCHES MINIMUM AND 0.270 INCHES MAXIMUM IN, neck_length: 0.250 INCHES MINIMUM AND 0.281 INCHES MAXIMUM IN, thread_class: 2A A. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5306-00-089-1424, 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 | 0.492 INCHES MINIMUM AND 0.515 INCHES MAXIMUM IN |
| head_height | 0.250 INCHES MINIMUM AND 0.270 INCHES MAXIMUM IN |
| neck_length | 0.250 INCHES MINIMUM AND 0.281 INCHES MAXIMUM IN |
| thread_class | 2A A |
| head_diameter | 1.032 INCHES MINIMUM AND 1.094 INCHES MAXIMUM IN |
| thread_length | 1.250 INCHES MINIMUM IN |
| fastener_length | 4.438 INCHES MINIMUM AND 4.562 INCHES MAXIMUM IN |
| hardness_rating | 95.0 ROCKWELL B MAXIMUM OVERALL |
| thread_direction | RIGHT-HAND |
| surface_treatment | CADMIUM OR ZINC OVERALL |
| NSN | 5306-00-089-1424 |
| MATERIAL DOCUMENT AND CLASSIFICATION | SAE GR 1 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | QQ-P-416,TY 2,CL 3 FED SPEC 1ST TREATMENT RESPONSE OR QQ-Z-325,TY 2,CL 3 FED SPEC 2ND TREATMENT RESPONSE OVERALL |
| SURFACE TREATMENT | CADMIUM OR ZINC OVERALL |
| HARDNESS RATING | 95.0 ROCKWELL B MAXIMUM OVERALL |
| THREAD SERIES DESIGNATOR | UNIFIED NATIONAL COARSE (UNC) |
| MATERIAL | STEEL OVERALL |
| FASTENER LENGTH | 4.438 INCHES MINIMUM AND 4.562 INCHES MAXIMUM IN |
| THREAD LENGTH | 1.250 INCHES MINIMUM IN |
| NOMINAL THREAD DIAMETER | 0.500 INCHES IN |
| THREAD DIRECTION | RIGHT-HAND |