6507639-1: SCREW,SHOULDER.
The SCREW,SHOULDER is a the manufacturer industrial component. Key specifications include material: STEEL COMP 303 OVERALL, head_style: HEXAGON, head_height: 0.250 INCHES NOMINAL IN, thread_class: 2A A, thread_length: 0.360 INCHES NOMINAL IN, shoulder_shape: ROUND FIRST SHOULDER. This part is cataloged in the U.S.
Government catalog under NSN 5305-01-173-3564, 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 303 OVERALL |
| head_style | HEXAGON |
| head_height | 0.250 INCHES NOMINAL IN |
| thread_class | 2A A |
| thread_length | 0.360 INCHES NOMINAL IN |
| shoulder_shape | ROUND FIRST SHOULDER |
| fastener_length | 0.721 INCHES NOMINAL IN |
| shoulder_length | 0.281 INCHES NOMINAL FIRST SHOULDER IN |
| thread_direction | RIGHT-HAND |
| shoulder_diameter | 0.370 INCHES MINIMUM AND 0.375 INCHES MAXIMUM FIRST SHOULDER IN |
| surface_treatment | PASSIVATE OVERALL |
| width_between_flats | 0.560 INCHES NOMINAL IN |
| NSN | 5305-01-173-3564 |
| HEAD HEIGHT | 0.250 INCHES NOMINAL IN |
| FASTENER LENGTH | 0.721 INCHES NOMINAL IN |
| SHOULDER LENGTH | 0.281 INCHES NOMINAL FIRST SHOULDER IN |
| SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | QQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE OVERALL |
| SHOULDER DIAMETER | 0.370 INCHES MINIMUM AND 0.375 INCHES MAXIMUM FIRST SHOULDER IN |
| THREAD LENGTH | 0.360 INCHES NOMINAL IN |
| SHOULDER SHAPE | ROUND FIRST SHOULDER |
| MATERIAL DOCUMENT AND CLASSIFICATION | ASTMA582 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| NOMINAL THREAD DIAMETER | 0.312 INCHES IN |
| HEAD STYLE | HEXAGON |
No substitute or cross-reference records for this part.