HT239-3-4: SCREW,CLOSE TOLERANCE.
The SCREW,CLOSE TOLERANCE is a the manufacturer industrial component. Key specifications include head_style: FLAT COUNTERSUNK, grip_length: 0.250 INCHES NOMINAL IN, thread_class: 3A A, grip_diameter: 0.1885 INCHES MINIMUM AND 0.1895 INCHES MAXIMUM IN, head_diameter: 0.3016 INCHES NOMINAL IN, thread_length: 0.290 INCHES MINIMUM AND 0.357 INCHES MAXIMUM IN. This part is cataloged in the U.S.
Government catalog under NSN 5305-01-527-9451, 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 4140 OR STEEL COMP E4340 OR STEEL COMP 6150 OR STEEL COMP 8735 OR STEEL COMP 8740 OR STEEL COMP 4130 OVERALL |
| head_style | FLAT COUNTERSUNK |
| grip_length | 0.250 INCHES NOMINAL IN |
| thread_class | 3A A |
| grip_diameter | 0.1885 INCHES MINIMUM AND 0.1895 INCHES MAXIMUM IN |
| head_diameter | 0.3016 INCHES NOMINAL IN |
| thread_length | 0.290 INCHES MINIMUM AND 0.357 INCHES MAXIMUM IN |
| surface_finish | 63.0 MICROINCHES GRIP |
| fastener_length | 0.526 INCHES NOMINAL IN |
| thread_direction | RIGHT-HAND |
| countersink_angle | 100.0 DEGREES NOMINAL |
| surface_treatment | CADMIUM OVERALL |
| NSN | 5305-01-527-9451 |
| SURFACE FINISH | 63.0 MICROINCHES GRIP |
| SURFACE FINISH | 63.0 MICROINCHES THREADS |
| FASTENER LENGTH | 0.526 INCHES NOMINAL IN |
| SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | QQ-P-416, TY 1, CL 3 FED SPEC SINGLE TREATMENT RESPONSE OVERALL |
| THREAD LENGTH | 0.290 INCHES MINIMUM AND 0.357 INCHES MAXIMUM IN |
| NOMINAL THREAD DIAMETER | 0.190 INCHES IN |
| HEAD STYLE | FLAT COUNTERSUNK |
| THREAD DIRECTION | RIGHT-HAND |
| GRIP LENGTH | 0.250 INCHES NOMINAL IN |
| GRIP DIAMETER | 0.1885 INCHES MINIMUM AND 0.1895 INCHES MAXIMUM IN |
No substitute or cross-reference records for this part.