The BOLT,SHOULDER is a the manufacturer industrial component. Key specifications include material: STEEL COMP 4140 OVERALL, head_style: HEXAGON, head_height: 0.250 INCHES NOMINAL IN, thread_class: 3A A, thread_length: 0.516 INCHES MINIMUM IN, shoulder_shape: ROUND FIRST SHOULDER. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5306-00-274-3135, 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 4140 OVERALL |
| head_style | HEXAGON |
| head_height | 0.250 INCHES NOMINAL IN |
| thread_class | 3A A |
| thread_length | 0.516 INCHES MINIMUM IN |
| shoulder_shape | ROUND FIRST SHOULDER |
| fastener_length | 1.469 INCHES NOMINAL IN |
| shoulder_length | 0.953 INCHES NOMINAL FIRST SHOULDER IN |
| special_features | UNDERCUT 0.031 IN. LG BY 0.016 IN. RADIUS UNDER HEAD,0.007 IN. RADIUS BETWEEN SHOULDER AND THREAD IN |
| thread_direction | RIGHT-HAND |
| shoulder_diameter | 0.326 INCHES MINIMUM AND 0.327 INCHES MAXIMUM FIRST SHOULDER IN |
| width_between_flats | 0.500 INCHES NOMINAL IN |
| NSN | 5306-00-274-3135 |
| SPECIAL FEATURES | UNDERCUT 0.031 IN. LG BY 0.016 IN. RADIUS UNDER HEAD,0.007 IN. RADIUS BETWEEN SHOULDER AND THREAD IN |
| SHOULDER LENGTH | 0.953 INCHES NOMINAL FIRST SHOULDER IN |
| THREAD QUANTITY PER INCH | 24 |
| THREAD SERIES DESIGNATOR | UNF |
| FASTENER LENGTH | 1.469 INCHES NOMINAL IN |
| NOMINAL THREAD DIAMETER | 0.312 INCHES IN |
| WIDTH BETWEEN FLATS | 0.500 INCHES NOMINAL IN |
| SHOULDER SHAPE | ROUND FIRST SHOULDER |
| THREAD CLASS | 3A A |
| SHOULDER DIAMETER | 0.326 INCHES MINIMUM AND 0.327 INCHES MAXIMUM FIRST SHOULDER IN |