The BOLT,RIBBED SHOULDER is a the manufacturer industrial component. Key specifications include material: STEEL OVERALL, head_style: DEE, rib_length: 0.250 INCHES NOMINAL IN, head_height: 0.375 INCHES NOMINAL IN, rib_quantity: 40, head_diameter: 1.188 INCHES NOMINAL IN. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5306-00-707-0373, 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 | DEE |
| rib_length | 0.250 INCHES NOMINAL IN |
| head_height | 0.375 INCHES NOMINAL IN |
| rib_quantity | 40 |
| head_diameter | 1.188 INCHES NOMINAL IN |
| thread_length | 1.562 INCHES MINIMUM IN |
| shoulder_shape | RIBBED FIRST SHOULDER |
| fastener_length | 2.562 INCHES NOMINAL IN |
| shoulder_length | 0.375 INCHES NOMINAL FIRST SHOULDER IN |
| thread_direction | RIGHT-HAND |
| features_provided | CASEHARDENED |
| NSN | 5306-00-707-0373 |
| HEAD HEIGHT | 0.375 INCHES NOMINAL IN |
| HEAD STYLE | DEE |
| NONSTANDARD THREAD PITCH DIAMETER | +0.8133 TO 0.8179 INCHES IN |
| RIB MAJOR DIAMETER | 0.902 INCHES MINIMUM AND 0.912 INCHES MAXIMUM IN |
| DISTANCE FROM LARGEST DIAMETER OF BEARING SURFACE OF HEAD TO RIBS | 0.062 INCHES NOMINAL IN |
| SHOULDER DIAMETER | 0.858 INCHES MINIMUM AND 0.868 INCHES MAXIMUM FIRST SHOULDER IN |
| THREAD QUANTITY PER INCH | 12 |
| SHOULDER SHAPE | RIBBED FIRST SHOULDER |
| NOMINAL THREAD DIAMETER | 0.875 INCHES IN |
| FEATURES PROVIDED | CASEHARDENED |