1881B177: BOLT,SHOULDER.
The BOLT,SHOULDER is a the manufacturer industrial component. Key specifications include material: STEEL COMP 4340 OVERALL, head_style: ROUND W/WRENCH FLATS, head_height: 0.250 INCHES NOMINAL IN, thread_class: 3A A, head_diameter: 0.9976 INCHES MINIMUM AND 0.9985 INCHES MAXIMUM IN, thread_length: 0.535 INCHES NOMINAL IN. This part is cataloged in the U.S.
Government catalog under NSN 5306-01-187-3857, 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 4340 OVERALL |
| head_style | ROUND W/WRENCH FLATS |
| head_height | 0.250 INCHES NOMINAL IN |
| thread_class | 3A A |
| head_diameter | 0.9976 INCHES MINIMUM AND 0.9985 INCHES MAXIMUM IN |
| thread_length | 0.535 INCHES NOMINAL IN |
| shoulder_shape | ROUND FIRST SHOULDER |
| fastener_length | 3.125 INCHES NOMINAL IN |
| shoulder_length | 2.590 INCHES NOMINAL FIRST SHOULDER IN |
| thread_direction | RIGHT-HAND |
| shoulder_diameter | 0.875 INCHES NOMINAL FIRST SHOULDER IN |
| surface_treatment | CADMIUM OVERALL |
| NSN | 5306-01-187-3857 |
| HEAD HEIGHT | 0.250 INCHES NOMINAL IN |
| FASTENER LENGTH | 3.125 INCHES NOMINAL IN |
| SHOULDER LENGTH | 2.590 INCHES NOMINAL FIRST SHOULDER IN |
| SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | QQ-P-416 CL 1 TY 2 FED SPEC SINGLE TREATMENT RESPONSE OVERALL |
| SHOULDER DIAMETER | 0.875 INCHES NOMINAL FIRST SHOULDER IN |
| THREAD LENGTH | 0.535 INCHES NOMINAL IN |
| SHOULDER SHAPE | ROUND FIRST SHOULDER |
| MATERIAL DOCUMENT AND CLASSIFICATION | MIL-S-8844 CLASS 1 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL |
| NOMINAL THREAD DIAMETER | 0.750 INCHES IN |
| HEAD STYLE | ROUND W/WRENCH FLATS |
No substitute or cross-reference records for this part.