4390725: BOLT,SHOULDER.
The BOLT,SHOULDER is a the manufacturer industrial component. Key specifications include material: NICKEL ALLOY 400 OVERALL, head_style: ROUND W/WRENCH FLATS, head_height: 2.000 INCHES NOMINAL IN, thread_class: 3A A, head_diameter: 1.250 INCHES NOMINAL IN, thread_length: 1.125 INCHES NOMINAL IN. This part is cataloged in the U.S.
Government catalog under NSN 5306-01-161-7284, 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 | NICKEL ALLOY 400 OVERALL |
| head_style | ROUND W/WRENCH FLATS |
| head_height | 2.000 INCHES NOMINAL IN |
| thread_class | 3A A |
| head_diameter | 1.250 INCHES NOMINAL IN |
| thread_length | 1.125 INCHES NOMINAL IN |
| shoulder_shape | ROUND FIRST SHOULDER |
| fastener_length | 4.750 INCHES NOMINAL IN |
| shoulder_length | 3.500 INCHES NOMINAL FIRST SHOULDER IN |
| thread_direction | RIGHT-HAND |
| shoulder_diameter | 0.996 INCHES MINIMUM AND 0.998 INCHES MAXIMUM FIRST SHOULDER IN |
| width_between_flats | 1.000 INCHES NOMINAL IN |
| NSN | 5306-01-161-7284 |
| HEAD HEIGHT | 2.000 INCHES NOMINAL IN |
| FASTENER LENGTH | 4.750 INCHES NOMINAL IN |
| SHOULDER LENGTH | 3.500 INCHES NOMINAL FIRST SHOULDER IN |
| SHOULDER DIAMETER | 0.996 INCHES MINIMUM AND 0.998 INCHES MAXIMUM FIRST SHOULDER IN |
| THREAD LENGTH | 1.125 INCHES NOMINAL IN |
| SHOULDER SHAPE | ROUND FIRST SHOULDER |
| MATERIAL DOCUMENT AND CLASSIFICATION | QQ-N-281 CL A FED SPEC SINGLE MATERIAL RESPONSE OVERALL |
| NOMINAL THREAD DIAMETER | 0.750 INCHES IN |
| HEAD STYLE | ROUND W/WRENCH FLATS |
| THREAD DIRECTION | RIGHT-HAND |