The BOLT,SQUARE NECK is a the manufacturer industrial component. Key specifications include material: STEEL OVERALL, head_style: BUTTON, neck_width: 0.616 INCHES MINIMUM AND 0.642 INCHES MAXIMUM IN, head_height: 0.313 INCHES MINIMUM AND 0.344 INCHES MAXIMUM IN, neck_length: 0.313 INCHES MINIMUM AND 0.344 INCHES MAXIMUM IN, head_diameter: 1.219 INCHES MINIMUM AND 1.344 INCHES MAXIMUM IN. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5306-00-268-2440, 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 | 0.616 INCHES MINIMUM AND 0.642 INCHES MAXIMUM IN |
| head_height | 0.313 INCHES MINIMUM AND 0.344 INCHES MAXIMUM IN |
| neck_length | 0.313 INCHES MINIMUM AND 0.344 INCHES MAXIMUM IN |
| head_diameter | 1.219 INCHES MINIMUM AND 1.344 INCHES MAXIMUM IN |
| fastener_length | 4.875 INCHES MINIMUM AND 5.125 INCHES MAXIMUM IN |
| hardness_rating | 95.0 ROCKWELL B MAXIMUM OVERALL |
| surface_treatment | CADMIUM AND CHROMATE OR ZINC AND CHROMATE OVERALL |
| nominal_thread_diameter | 0.625 INCHES IN |
| minimum_tensile_strength | 55000 POUNDS PER SQUARE INCH LBS |
| nondefinitive_spec/std_data | 1 TYPE AND 1 CLASS AND B STYLE |
| NSN | 5306-00-268-2440 |
| NECK WIDTH | 0.616 INCHES MINIMUM AND 0.642 INCHES MAXIMUM IN |
| HEAD STYLE | BUTTON |
| HARDNESS RATING | 95.0 ROCKWELL B MAXIMUM OVERALL |
| MATERIAL DOCUMENT AND CLASSIFICATION | SAE GR 1 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| MATERIAL | STEEL OVERALL |
| HEAD HEIGHT | 0.313 INCHES MINIMUM AND 0.344 INCHES MAXIMUM IN |
| NOMINAL THREAD DIAMETER | 0.625 INCHES IN |
| NECK LENGTH | 0.313 INCHES MINIMUM AND 0.344 INCHES MAXIMUM IN |
| FASTENER LENGTH | 4.875 INCHES MINIMUM AND 5.125 INCHES MAXIMUM IN |
| MINIMUM TENSILE STRENGTH | 55000 POUNDS PER SQUARE INCH LBS |