The BOLT,SQUARE NECK is a the manufacturer industrial component. Key specifications include material: STEEL OVERALL, head_style: OVAL, 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 product is currently in active production with full OEM support.
This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5306-01-159-6574, 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 | OVAL |
| 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 | 1.000 INCHES MINIMUM AND 1.031 INCHES MAXIMUM IN |
| thread_length | 2.952 INCHES MAXIMUM IN |
| fastener_length | 3.190 INCHES MINIMUM AND 3.290 INCHES MAXIMUM IN |
| hardness_rating | 70.0 ROCKWELL B MINIMUM AND 100.0 ROCKWELL B MAXIMUM OVERALL |
| special_features | FURNISH NECK,0.100 INCH THICK,0,800 INCH IN DIA.,MATERIAL GM1131-M TYPE B FSCM 11862 IN |
| thread_direction | RIGHT-HAND |
| NSN | 5306-01-159-6574 |
| THREAD QUANTITY PER INCH | 18 |
| HEAD STYLE | OVAL |
| SURFACE TREATMENT | PASSIVATE OVERALL |
| MINIMUM YIELD STRENGTH | 36000 POUNDS PER SQUARE INCH LBS |
| NECK WIDTH | 0.307 INCHES MINIMUM AND 0.324 INCHES MAXIMUM IN |
| NOMINAL THREAD DIAMETER | 0.312 INCHES IN |
| MATERIAL | STEEL OVERALL |
| THREAD SERIES DESIGNATOR | UNRC |
| MINIMUM TENSILE STRENGTH | 60000 POUNDS PER SQUARE INCH LBS |
| MATERIAL DOCUMENT AND CLASSIFICATION | SAE GRADE 1 ASSN STD ALL MATERIAL RESPONSES OVERALL |