ST3M505-3-16: SCREW,SHOULDER.
The SCREW,SHOULDER is a the manufacturer industrial component. Key specifications include material: STEEL COMP XM-13 OVERALL, head_style: FLAT COUNTERSUNK, thread_class: 3A A, head_diameter: 0.376 INCHES MINIMUM AND 0.385 INCHES MAXIMUM IN, thread_length: 0.306 INCHES MINIMUM AND 0.356 INCHES MAXIMUM IN, shoulder_shape: ROUND FIRST SHOULDER. This part is cataloged in the U.S.
Government catalog under NSN 5305-01-143-2829, 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 XM-13 OVERALL |
| head_style | FLAT COUNTERSUNK |
| thread_class | 3A A |
| head_diameter | 0.376 INCHES MINIMUM AND 0.385 INCHES MAXIMUM IN |
| thread_length | 0.306 INCHES MINIMUM AND 0.356 INCHES MAXIMUM IN |
| shoulder_shape | ROUND FIRST SHOULDER |
| fastener_length | 1.316 INCHES MINIMUM AND 1.346 INCHES MAXIMUM IN |
| shoulder_length | 0.923 INCHES MINIMUM AND 0.943 INCHES MAXIMUM FIRST SHOULDER IN |
| special_features | INTERNAL HEXAGON SOCKET IN THREADED END 0.0791 IN. MIN AND 0.0806 IN. MAX WIDTH ACROSS FLATS IN |
| thread_direction | RIGHT-HAND |
| countersink_angle | 99.0 DEGREES MINIMUM AND 101.0 DEGREES MAXIMUM |
| shoulder_diameter | 0.2177 INCHES MINIMUM AND 0.2182 INCHES MAXIMUM FIRST SHOULDER IN |
| NSN | 5305-01-143-2829 |
| FASTENER LENGTH | 1.316 INCHES MINIMUM AND 1.346 INCHES MAXIMUM IN |
| SHOULDER LENGTH | 0.923 INCHES MINIMUM AND 0.943 INCHES MAXIMUM FIRST SHOULDER IN |
| SHOULDER DIAMETER | 0.2177 INCHES MINIMUM AND 0.2182 INCHES MAXIMUM FIRST SHOULDER IN |
| THREAD LENGTH | 0.306 INCHES MINIMUM AND 0.356 INCHES MAXIMUM IN |
| SHOULDER SHAPE | ROUND FIRST SHOULDER |
| MATERIAL DOCUMENT AND CLASSIFICATION | AMS5629 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| NOMINAL THREAD DIAMETER | 0.190 INCHES IN |
| HEAD STYLE | FLAT COUNTERSUNK |
| THREAD DIRECTION | RIGHT-HAND |
| SPECIAL FEATURES | INTERNAL HEXAGON SOCKET IN THREADED END 0.0791 IN. MIN AND 0.0806 IN. MAX WIDTH ACROSS FLATS IN |