2057L139: BOLT,SHOULDER.
The BOLT,SHOULDER is a the manufacturer industrial component. Key specifications include material: STEEL COMP 431 OVERALL, head_style: DEE CHAMFER, head_height: 0.190 INCHES MINIMUM AND 0.200 INCHES MAXIMUM IN, thread_class: 3A A, head_diameter: 0.655 INCHES NOMINAL IN, thread_length: 0.690 INCHES NOMINAL IN. This part is cataloged in the U.S.
Government catalog under NSN 5306-01-007-1452, 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 431 OVERALL |
| head_style | DEE CHAMFER |
| head_height | 0.190 INCHES MINIMUM AND 0.200 INCHES MAXIMUM IN |
| thread_class | 3A A |
| head_diameter | 0.655 INCHES NOMINAL IN |
| thread_length | 0.690 INCHES NOMINAL IN |
| shoulder_shape | ROUND FIRST SHOULDER |
| fastener_length | 1.420 INCHES NOMINAL IN |
| hardness_rating | 26.0 ROCKWELL C MINIMUM AND 32.0 ROCKWELL C MAXIMUM OVERALL |
| shoulder_length | 0.730 INCHES NOMINAL FIRST SHOULDER IN |
| special_features | ONE GROOVE ON SHOULDER,0.055 IN. MIN,0.065 IN. MAX,W,0.373 IN. MIN,0.383 IN. MAX,OD IN |
| thread_direction | RIGHT-HAND |
| NSN | 5306-01-007-1452 |
| HEAD HEIGHT | 0.190 INCHES MINIMUM AND 0.200 INCHES MAXIMUM IN |
| FASTENER LENGTH | 1.420 INCHES NOMINAL IN |
| SHOULDER LENGTH | 0.730 INCHES NOMINAL FIRST SHOULDER IN |
| DISTANCE FROM CENTERLINE TO FLAT | 0.247 INCHES MINIMUM AND 0.251 INCHES MAXIMUM IN |
| SHOULDER DIAMETER | 0.4302 INCHES MINIMUM AND 0.4306 INCHES MAXIMUM FIRST SHOULDER IN |
| THREAD LENGTH | 0.690 INCHES NOMINAL IN |
| SHOULDER SHAPE | ROUND FIRST SHOULDER |
| HARDNESS RATING | 26.0 ROCKWELL C MINIMUM AND 32.0 ROCKWELL C MAXIMUM OVERALL |
| MATERIAL DOCUMENT AND CLASSIFICATION | AMS 5628 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| NOMINAL THREAD DIAMETER | 0.375 INCHES IN |
No substitute or cross-reference records for this part.