C2898-6: BOLT,SHOULDER.
The BOLT,SHOULDER is a the manufacturer industrial component. Key specifications include material: STEEL OVERALL, hole_type: DRILLED, head_style: FLAT CHAMFER, head_height: 0.290 INCHES MINIMUM AND 0.310 INCHES MAXIMUM IN, thread_class: 3A A, head_diameter: 1.220 INCHES MINIMUM AND 1.230 INCHES MAXIMUM IN. This part is cataloged in the U.S.
Government catalog under NSN 5306-01-166-0971, 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 |
| hole_type | DRILLED |
| head_style | FLAT CHAMFER |
| head_height | 0.290 INCHES MINIMUM AND 0.310 INCHES MAXIMUM IN |
| thread_class | 3A A |
| head_diameter | 1.220 INCHES MINIMUM AND 1.230 INCHES MAXIMUM IN |
| hole_diameter | 0.376 INCHES MINIMUM AND 0.379 INCHES MAXIMUM IN |
| hole_quantity | 1 |
| thread_length | 0.820 INCHES NOMINAL IN |
| shoulder_shape | ROUND FIRST SHOULDER |
| fastener_length | 2.900 INCHES MINIMUM AND 2.920 INCHES MAXIMUM IN |
| hardness_rating | 55.0 ROCKWELL C MINIMUM AND 58.0 ROCKWELL C MAXIMUM OVERALL |
| NSN | 5306-01-166-0971 |
| HEAD HEIGHT | 0.290 INCHES MINIMUM AND 0.310 INCHES MAXIMUM IN |
| FASTENER LENGTH | 2.900 INCHES MINIMUM AND 2.920 INCHES MAXIMUM IN |
| SHOULDER LENGTH | 2.080 INCHES MINIMUM AND 2.100 INCHES MAXIMUM FIRST SHOULDER IN |
| SHOULDER DIAMETER | 0.763 INCHES MINIMUM AND 0.764 INCHES MAXIMUM FIRST SHOULDER IN |
| THREAD LENGTH | 0.820 INCHES NOMINAL IN |
| SHOULDER SHAPE | ROUND FIRST SHOULDER |
| HARDNESS RATING | 55.0 ROCKWELL C MINIMUM AND 58.0 ROCKWELL C MAXIMUM OVERALL |
| HOLE CONFIGURATION STYLE | ROUND INTERNAL HEXAGON |
| NOMINAL THREAD DIAMETER | 0.625 INCHES IN |
| HEAD STYLE | FLAT CHAMFER |
No substitute or cross-reference records for this part.