The BOLT,RIBBED SHOULDER is a the manufacturer industrial component. Key specifications include material: STEEL COMP 4427 OR STEEL COMP 4620H OR STEEL COMP 8620H OR STEEL COMP 8622H OVERALL, head_style: FLAT CHAMFER, rib_length: 0.422 INCHES MINIMUM AND 0.454 INCHES MAXIMUM IN, head_height: 0.312 INCHES NOMINAL IN, rib_quantity: 36, thread_class: 2A A. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5306-00-740-9555, 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 COMP 4427 OR STEEL COMP 4620H OR STEEL COMP 8620H OR STEEL COMP 8622H OVERALL |
| head_style | FLAT CHAMFER |
| rib_length | 0.422 INCHES MINIMUM AND 0.454 INCHES MAXIMUM IN |
| head_height | 0.312 INCHES NOMINAL IN |
| rib_quantity | 36 |
| thread_class | 2A A |
| head_diameter | 1.312 INCHES NOMINAL IN |
| thread_length | 1.187 INCHES MINIMUM IN |
| shoulder_shape | RIBBED FIRST SHOULDER |
| fastener_length | 2.812 INCHES NOMINAL IN |
| hardness_rating | 223.0 BRINELL STANDARD MINIMUM AND 277.0 BRINELL STANDARD MAXIMUM OVERALL |
| shoulder_length | 1.312 INCHES NOMINAL FIRST SHOULDER IN |
| NSN | 5306-00-740-9555 |
| HEAD STYLE | FLAT CHAMFER |
| THREAD LENGTH | 1.187 INCHES MINIMUM IN |
| RIB QUANTITY | 36 |
| RIB LENGTH | 0.422 INCHES MINIMUM AND 0.454 INCHES MAXIMUM IN |
| SHOULDER SHAPE | RIBBED FIRST SHOULDER |
| SHOULDER LENGTH | 1.312 INCHES NOMINAL FIRST SHOULDER IN |
| THREAD QUANTITY PER INCH | 16 |
| RIB INCLUDED ANGLE | 90.0 DEGREES NOMINAL |
| SHOULDER DIAMETER | 0.973 INCHES MINIMUM AND 0.977 INCHES MAXIMUM FIRST SHOULDER IN |
| MINIMUM TENSILE STRENGTH | 110000 POUNDS PER SQUARE INCH LBS |