The BOLT,SHOULDER is a the manufacturer industrial component. Key specifications include material: STEEL COMP 4140 OVERALL, head_style: HEXAGON, head_height: 0.219 INCHES NOMINAL IN, thread_class: 3A A, thread_length: 0.531 INCHES MINIMUM IN, shoulder_shape: ROUND FIRST SHOULDER. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5306-00-274-5563, 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 | 0.219 INCHES NOMINAL IN |
| thread_class | 3A A |
| thread_length | 0.531 INCHES MINIMUM IN |
| shoulder_shape | ROUND FIRST SHOULDER |
| fastener_length | 2.875 INCHES NOMINAL IN |
| hardness_rating | 26.0 ROCKWELL C MINIMUM AND 34.0 ROCKWELL C MAXIMUM OVERALL |
| shoulder_length | 2.344 INCHES NOMINAL FIRST SHOULDER IN |
| special_features | UNDERCUT BETWEEN HEAD AND SHOULDER 0.010 IN. DEEP BY 0.047 IN. LG,THD END CHAMFERED 0.031 IN. BY 45 DEG IN |
| thread_direction | RIGHT-HAND |
| shoulder_diameter | 0.264 INCHES MINIMUM AND 0.265 INCHES MAXIMUM FIRST SHOULDER IN |
| NSN | 5306-00-274-5563 |
| THREAD QUANTITY PER INCH | 28 |
| SHOULDER DIAMETER | 0.264 INCHES MINIMUM AND 0.265 INCHES MAXIMUM FIRST SHOULDER IN |
| SPECIAL FEATURES | UNDERCUT BETWEEN HEAD AND SHOULDER 0.010 IN. DEEP BY 0.047 IN. LG,THD END CHAMFERED 0.031 IN. BY 45 DEG IN |
| THREAD SERIES DESIGNATOR | UNF |
| SHOULDER SHAPE | ROUND FIRST SHOULDER |
| HEAD STYLE | HEXAGON |
| NOMINAL THREAD DIAMETER | 0.250 INCHES IN |
| SHOULDER LENGTH | 2.344 INCHES NOMINAL FIRST SHOULDER IN |
| MINIMUM YIELD STRENGTH | 105000 POUNDS PER SQUARE INCH LBS |
| HEAD HEIGHT | 0.219 INCHES NOMINAL IN |