The BOLT,SQUARE NECK is a the manufacturer industrial component. Key specifications include material: STEEL OVERALL, head_style: BUTTON, head_height: 0.125 INCHES MINIMUM AND 0.145 INCHES MAXIMUM IN, thread_class: 2A A, head_diameter: 0.563 INCHES MINIMUM AND 0.594 INCHES MAXIMUM IN, thread_length: 0.750 INCHES MINIMUM IN. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5306-00-903-8593, 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 |
| head_height | 0.125 INCHES MINIMUM AND 0.145 INCHES MAXIMUM IN |
| thread_class | 2A A |
| head_diameter | 0.563 INCHES MINIMUM AND 0.594 INCHES MAXIMUM IN |
| thread_length | 0.750 INCHES MINIMUM IN |
| fastener_length | 4.969 INCHES MINIMUM AND 5.031 INCHES MAXIMUM IN |
| hardness_rating | 95.0 ROCKWELL B MAXIMUM OVERALL |
| thread_direction | RIGHT-HAND |
| surface_treatment | ZINC OVERALL |
| nominal_thread_diameter | 0.250 INCHES IN |
| minimum_tensile_strength | 55000 POUNDS PER SQUARE INCH LBS |
| NSN | 5306-00-903-8593 |
| HEAD STYLE | BUTTON |
| FASTENER LENGTH | 4.969 INCHES MINIMUM AND 5.031 INCHES MAXIMUM IN |
| NOMINAL THREAD DIAMETER | 0.250 INCHES IN |
| HEAD HEIGHT | 0.125 INCHES MINIMUM AND 0.145 INCHES MAXIMUM IN |
| HEAD DIAMETER | 0.563 INCHES MINIMUM AND 0.594 INCHES MAXIMUM IN |
| THREAD SERIES DESIGNATOR | UNIFIED NATIONAL COARSE (UNC) |
| HARDNESS RATING | 95.0 ROCKWELL B MAXIMUM OVERALL |
| SURFACE TREATMENT | ZINC OVERALL |
| MINIMUM TENSILE STRENGTH | 55000 POUNDS PER SQUARE INCH LBS |
| MATERIAL DOCUMENT AND CLASSIFICATION | SAE GR 1 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |