A51B25566-17: BOLT,SHOULDER.
The BOLT,SHOULDER is a the manufacturer industrial component. Key specifications include material: STEEL OVERALL, head_style: HEXAGON, head_height: 0.490 INCHES NOMINAL IN, thread_class: 3A A, thread_length: 1.145 INCHES NOMINAL IN, shoulder_shape: ROUND SECOND SHOULDER. This part is cataloged in the U.S.
Government catalog under NSN 5306-00-006-2145, 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 | HEXAGON |
| head_height | 0.490 INCHES NOMINAL IN |
| thread_class | 3A A |
| thread_length | 1.145 INCHES NOMINAL IN |
| shoulder_shape | ROUND SECOND SHOULDER |
| fastener_length | 3.730 INCHES NOMINAL IN |
| shoulder_length | 0.810 INCHES MINIMUM AND 0.820 INCHES MAXIMUM FIRST SHOULDER IN |
| thread_direction | RIGHT-HAND |
| shoulder_diameter | 1.434 INCHES MINIMUM AND 1.435 INCHES MAXIMUM FIRST SHOULDER IN |
| surface_treatment | CADMIUM OVERALL |
| width_between_flats | 1.802 INCHES MINIMUM AND 1.815 INCHES MAXIMUM IN |
| NSN | 5306-00-006-2145 |
| HEAD HEIGHT | 0.490 INCHES NOMINAL IN |
| FASTENER LENGTH | 3.730 INCHES NOMINAL IN |
| SHOULDER LENGTH | 0.810 INCHES MINIMUM AND 0.820 INCHES MAXIMUM FIRST SHOULDER IN |
| SHOULDER LENGTH | 1.765 INCHES MINIMUM AND 1.775 INCHES MAXIMUM SECOND SHOULDER IN |
| SHOULDER DIAMETER | 1.222 INCHES MINIMUM AND 1.123 INCHES MAXIMUM SECOND SHOULDER IN |
| SHOULDER DIAMETER | 1.434 INCHES MINIMUM AND 1.435 INCHES MAXIMUM FIRST SHOULDER IN |
| THREAD LENGTH | 1.145 INCHES NOMINAL IN |
| SHOULDER SHAPE | ROUND SECOND SHOULDER |
| SHOULDER SHAPE | ROUND FIRST SHOULDER |
| NOMINAL THREAD DIAMETER | 0.875 INCHES IN |
No substitute or cross-reference records for this part.