ST3M557-3D6: SCREW,CLOSE TOLERANCE.
The SCREW,CLOSE TOLERANCE is a the manufacturer industrial component. Key specifications include material: NICKEL ALLOY 718 OVERALL, head_style: FILLISTER COUNTERSUNK, grip_length: 0.188 INCHES NOMINAL IN, head_height: 0.013 INCHES MAXIMUM IN, point_style: FLAT, point_length: 0.039 INCHES NOMINAL IN. This part is cataloged in the U.S.
Government catalog under NSN 5305-01-591-0128, 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 | NICKEL ALLOY 718 OVERALL |
| head_style | FILLISTER COUNTERSUNK |
| grip_length | 0.188 INCHES NOMINAL IN |
| head_height | 0.013 INCHES MAXIMUM IN |
| point_style | FLAT |
| point_length | 0.039 INCHES NOMINAL IN |
| thread_class | 3A A |
| grip_diameter | 0.189 INCHES MINIMUM AND 0.190 INCHES MAXIMUM IN |
| head_diameter | 0.297 INCHES MINIMUM AND 0.302 INCHES MAXIMUM IN |
| thread_length | 0.406 INCHES NOMINAL IN |
| fastener_length | 0.579 INCHES MINIMUM AND 0.609 INCHES MAXIMUM IN |
| special_features | HEAD HAS A 1.40 DEG RADIUS DOME |
| NSN | 5305-01-591-0128 |
| HEAD HEIGHT | 0.013 INCHES MAXIMUM IN |
| POINT LENGTH | 0.039 INCHES NOMINAL IN |
| FASTENER LENGTH | 0.579 INCHES MINIMUM AND 0.609 INCHES MAXIMUM IN |
| SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | AMS 2700 ASSN STD SINGLE TREATMENT RESPONSE OVERALL |
| THREAD LENGTH | 0.406 INCHES NOMINAL IN |
| SHANK UNTHREADED HOLE DIAMETER | 0.070 INCHES MINIMUM AND 0.075 INCHES MAXIMUM FIRST HOLE IN |
| MATERIAL DOCUMENT AND CLASSIFICATION | AMS 5662 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| POINT CHAMFER ANGLE | 45.0 DEGREES NOMINAL |
| NOMINAL THREAD DIAMETER | 0.190 INCHES IN |
| HEAD STYLE | FILLISTER COUNTERSUNK |