20X674: BOLT,RIBBED SHOULDER.
The BOLT,RIBBED SHOULDER is a the manufacturer industrial component. Key specifications include material: STEEL COMP 3120 OR STEEL COMP 8720 OVERALL, head_style: FLAT CHAMFER, rib_length: 0.781 INCHES NOMINAL IN, head_height: 0.312 INCHES NOMINAL IN, rib_quantity: 25, head_diameter: 1.188 INCHES MINIMUM IN. This part is cataloged in the U.S.
Government catalog under NSN 5306-00-798-8934, 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 3120 OR STEEL COMP 8720 OVERALL |
| head_style | FLAT CHAMFER |
| rib_length | 0.781 INCHES NOMINAL IN |
| head_height | 0.312 INCHES NOMINAL IN |
| rib_quantity | 25 |
| head_diameter | 1.188 INCHES MINIMUM IN |
| thread_length | 1.000 INCHES MINIMUM IN |
| shoulder_shape | ROUND FIRST SHOULDER |
| fastener_length | 2.469 INCHES NOMINAL IN |
| hardness_rating | 18.0 ROCKWELL C MINIMUM AND 28.0 ROCKWELL C MAXIMUM OVERALL |
| shoulder_length | 0.906 INCHES NOMINAL FIRST SHOULDER IN |
| thread_direction | RIGHT-HAND |
| NSN | 5306-00-798-8934 |
| HEAD HEIGHT | 0.312 INCHES NOMINAL IN |
| FASTENER LENGTH | 2.469 INCHES NOMINAL IN |
| SHOULDER LENGTH | 0.906 INCHES NOMINAL FIRST SHOULDER IN |
| SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | QQ-P-416,TY 2,CL 3 FED SPEC ALL TREATMENT RESPONSES OVERALL |
| DISTANCE FROM LARGEST DIAMETER OF BEARING SURFACE OF HEAD TO RIBS | 0.125 INCHES NOMINAL IN |
| SHOULDER DIAMETER | 0.835 INCHES MINIMUM AND 0.870 INCHES MINIMUM FIRST SHOULDER IN |
| THREAD LENGTH | 1.000 INCHES MINIMUM IN |
| SHOULDER SHAPE | ROUND FIRST SHOULDER |
| HARDNESS RATING | 18.0 ROCKWELL C MINIMUM AND 28.0 ROCKWELL C MAXIMUM OVERALL |
| MATERIAL DOCUMENT AND CLASSIFICATION | AISI ASSN STD ALL MATERIAL RESPONSES OR SAE ASSN STD ALL MATERIAL RESPONSES OVERALL |
No substitute or cross-reference records for this part.