12443845: THUMBSCREW.
The THUMBSCREW is a the manufacturer industrial component. Key specifications include material: STEEL OVERALL, head_style: THUMB NO. 4, head_height: 0.470 INCHES MINIMUM AND 0.530 INCHES MAXIMUM IN, point_style: FLAT, point_length: 0.120 INCHES MINIMUM AND 0.130 INCHES MAXIMUM IN, thread_class: 2A A.
This part is cataloged in the U.S. Government catalog under NSN 5305-01-579-4007, 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 | THUMB NO. 4 |
| head_height | 0.470 INCHES MINIMUM AND 0.530 INCHES MAXIMUM IN |
| point_style | FLAT |
| point_length | 0.120 INCHES MINIMUM AND 0.130 INCHES MAXIMUM IN |
| thread_class | 2A A |
| thread_length | 0.590 INCHES MINIMUM AND 0.650 INCHES MAXIMUM IN |
| fastener_length | 0.590 INCHES MINIMUM AND 0.650 INCHES MAXIMUM IN |
| thread_direction | RIGHT-HAND |
| surface_treatment | ZINC AND CHROMATE OVERALL |
| point_chamfer_angle | 45.0 DEGREES MINIMUM AND 50.0 DEGREES MAXIMUM |
| width_between_flats | 0.520 INCHES MINIMUM AND 0.550 INCHES MAXIMUM IN |
| NSN | 5305-01-579-4007 |
| HEAD HEIGHT | 0.470 INCHES MINIMUM AND 0.530 INCHES MAXIMUM IN |
| POINT LENGTH | 0.120 INCHES MINIMUM AND 0.130 INCHES MAXIMUM IN |
| FASTENER LENGTH | 0.590 INCHES MINIMUM AND 0.650 INCHES MAXIMUM IN |
| SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | ASTM B633, TYPE II, FE/ZN8 ASSN STD SINGLE TREATMENT RESPONSE OVERALL |
| THREAD LENGTH | 0.590 INCHES MINIMUM AND 0.650 INCHES MAXIMUM IN |
| MATERIAL DOCUMENT AND CLASSIFICATION | AMS-STD-66 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| POINT CHAMFER ANGLE | 45.0 DEGREES MINIMUM AND 50.0 DEGREES MAXIMUM |
| NOMINAL THREAD DIAMETER | 0.250 INCHES IN |
| HEAD STYLE | THUMB NO. 4 |
| THREAD DIRECTION | RIGHT-HAND |
No substitute or cross-reference records for this part.