NAS1975C4H: SCREW,CLOSE TOLERANCE.
The SCREW,CLOSE TOLERANCE is a the manufacturer industrial component. Key specifications include material: STEEL CORROSION RESISTING OVERALL, head_style: FLAT COUNTERSUNK, grip_length: 0.133 INCHES NOMINAL IN, thread_class: 3A A, grip_diameter: 0.188 INCHES MINIMUM AND 0.189 INCHES MAXIMUM IN, head_diameter: 0.625 INCHES MINIMUM AND 0.635 INCHES MAXIMUM IN. This part is cataloged in the U.S.
Government catalog under NSN 5305-01-545-8346, 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 CORROSION RESISTING OVERALL |
| head_style | FLAT COUNTERSUNK |
| grip_length | 0.133 INCHES NOMINAL IN |
| thread_class | 3A A |
| grip_diameter | 0.188 INCHES MINIMUM AND 0.189 INCHES MAXIMUM IN |
| head_diameter | 0.625 INCHES MINIMUM AND 0.635 INCHES MAXIMUM IN |
| thread_length | 0.469 INCHES NOMINAL IN |
| fastener_length | 0.602 INCHES NOMINAL IN |
| thread_direction | RIGHT-HAND |
| countersink_angle | 99.0 DEGREES MINIMUM AND 101.0 DEGREES MAXIMUM |
| surface_treatment | PASSIVATE OVERALL |
| internal_drive_style | HIGH-TORQUE |
| NSN | 5305-01-545-8346 |
| FASTENER LENGTH | 0.602 INCHES NOMINAL IN |
| SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | QQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE OVERALL |
| THREAD LENGTH | 0.469 INCHES NOMINAL IN |
| NOMINAL THREAD DIAMETER | 0.312 INCHES IN |
| HEAD STYLE | FLAT COUNTERSUNK |
| THREAD DIRECTION | RIGHT-HAND |
| GRIP LENGTH | 0.133 INCHES NOMINAL IN |
| GRIP DIAMETER | 0.188 INCHES MINIMUM AND 0.189 INCHES MAXIMUM IN |
| SURFACE TREATMENT | PASSIVATE OVERALL |
| MINIMUM TENSILE STRENGTH | 180000 POUNDS PER SQUARE INCH LBS |
No substitute or cross-reference records for this part.