ST3M653C3-5A: SCREW,SHOULDER.
The SCREW,SHOULDER is a the manufacturer industrial component. Key specifications include material: STEEL OVERALL, head_style: FLAT COUNTERSUNK, thread_class: 3A A, head_diameter: 0.376 INCHES MINIMUM AND 0.381 INCHES MAXIMUM IN, thread_length: 0.381 INCHES MINIMUM AND 0.448 INCHES MAXIMUM IN, shoulder_shape: ROUND FIRST SHOULDER. This part is cataloged in the U.S.
Government catalog under NSN 5305-01-047-0372, 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 COUNTERSUNK |
| thread_class | 3A A |
| head_diameter | 0.376 INCHES MINIMUM AND 0.381 INCHES MAXIMUM IN |
| thread_length | 0.381 INCHES MINIMUM AND 0.448 INCHES MAXIMUM IN |
| shoulder_shape | ROUND FIRST SHOULDER |
| fastener_length | 0.703 INCHES MINIMUM AND 0.750 INCHES MAXIMUM IN |
| shoulder_length | 0.302 INCHES MINIMUM AND 0.322 INCHES MAXIMUM FIRST SHOULDER IN |
| special_features | FURNISHED WITH ONE O RING |
| thread_direction | RIGHT-HAND |
| countersink_angle | 100.0 DEGREES NOMINAL |
| shoulder_diameter | 0.202 INCHES MINIMUM AND 0.203 INCHES MAXIMUM FIRST SHOULDER IN |
| NSN | 5305-01-047-0372 |
| FASTENER LENGTH | 0.703 INCHES MINIMUM AND 0.750 INCHES MAXIMUM IN |
| SHOULDER LENGTH | 0.302 INCHES MINIMUM AND 0.322 INCHES MAXIMUM FIRST SHOULDER IN |
| SHOULDER DIAMETER | 0.202 INCHES MINIMUM AND 0.203 INCHES MAXIMUM FIRST SHOULDER IN |
| THREAD LENGTH | 0.381 INCHES MINIMUM AND 0.448 INCHES MAXIMUM IN |
| SHOULDER SHAPE | ROUND FIRST SHOULDER |
| NOMINAL THREAD DIAMETER | 0.190 INCHES IN |
| HEAD STYLE | FLAT COUNTERSUNK |
| THREAD DIRECTION | RIGHT-HAND |
| SPECIAL FEATURES | FURNISHED WITH ONE O RING |
| INTERNAL DRIVE STYLE | HIGH-TORQUE |
No substitute or cross-reference records for this part.