8438732: BOLT,RIBBED SHOULDER.
The BOLT,RIBBED SHOULDER is a the manufacturer industrial component. Key specifications include material: STEEL OVERALL, head_style: FLAT CHAMFER, rib_length: 0.380 INCHES NOMINAL IN, head_height: 0.200 INCHES NOMINAL IN, rib_quantity: 35, thread_class: 3A A. This part is cataloged in the U.S.
Government catalog under NSN 5306-00-250-9687, 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 | FLAT CHAMFER |
| rib_length | 0.380 INCHES NOMINAL IN |
| head_height | 0.200 INCHES NOMINAL IN |
| rib_quantity | 35 |
| thread_class | 3A A |
| head_diameter | 1.000 INCHES NOMINAL IN |
| thread_length | 1.080 INCHES MINIMUM AND 1.110 INCHES MAXIMUM IN |
| shoulder_shape | ROUND FIRST SHOULDER |
| fastener_length | 2.140 INCHES MINIMUM AND 2.160 INCHES MAXIMUM IN |
| shoulder_length | 0.780 INCHES NOMINAL FIRST SHOULDER IN |
| thread_direction | RIGHT-HAND |
| NSN | 5306-00-250-9687 |
| HEAD HEIGHT | 0.200 INCHES NOMINAL IN |
| FASTENER LENGTH | 2.140 INCHES MINIMUM AND 2.160 INCHES MAXIMUM IN |
| SHOULDER LENGTH | 0.780 INCHES NOMINAL FIRST SHOULDER IN |
| SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | QQ-P-416,TY 2,CL 3 FED SPEC 1ST TREATMENT RESPONSE OR QQ-Z-325,TY 2,CL 3 FED SPEC 2ND TREATMENT RESPONSE OVERALL |
| DISTANCE FROM LARGEST DIAMETER OF BEARING SURFACE OF HEAD TO RIBS | 0.060 INCHES NOMINAL IN |
| SHOULDER DIAMETER | 0.520 INCHES MINIMUM AND 5.525 INCHES MAXIMUM FIRST SHOULDER IN |
| THREAD LENGTH | 1.080 INCHES MINIMUM AND 1.110 INCHES MAXIMUM IN |
| SHOULDER SHAPE | ROUND FIRST SHOULDER |
| MATERIAL DOCUMENT AND CLASSIFICATION | QQ-S-624 FED SPEC SINGLE MATERIAL RESPONSE OVERALL |
| RIB LENGTH | 0.380 INCHES NOMINAL IN |
No substitute or cross-reference records for this part.