12387332-291: SCREW,MACHINE.
The SCREW,MACHINE is a the manufacturer industrial component. Key specifications include head_style: FLAT COUNTERSUNK, thread_class: 2A A, head_diameter: 0.452 INCHES MINIMUM AND 0.507 INCHES MAXIMUM IN, thread_length: 0.900 INCHES MINIMUM AND 1.000 INCHES MAXIMUM IN, screw_material: STEEL COMP 1010 OR STEEL COMP 1013, fastener_length: 1.000 INCHES NOMINAL IN. This part is cataloged in the U.S.
Government catalog under NSN 5305-01-389-8790, 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.
| head_style | FLAT COUNTERSUNK |
| thread_class | 2A A |
| head_diameter | 0.452 INCHES MINIMUM AND 0.507 INCHES MAXIMUM IN |
| thread_length | 0.900 INCHES MINIMUM AND 1.000 INCHES MAXIMUM IN |
| screw_material | STEEL COMP 1010 OR STEEL COMP 1013 |
| fastener_length | 1.000 INCHES NOMINAL IN |
| thread_direction | RIGHT-HAND |
| countersink_angle | 80.0 DEGREES MINIMUM AND 82.0 DEGREES MAXIMUM |
| internal_drive_style | CROSS RECESS TYPE 1 |
| nominal_thread_diameter | 0.250 INCHES IN |
| screw_surface_treatment | ZINC AND CHROMATE |
| thread_quantity_per_inch | 20 |
| NSN | 5305-01-389-8790 |
| SCREW SURFACE TREATMENT | ZINC AND CHROMATE |
| FASTENER LENGTH | 1.000 INCHES NOMINAL IN |
| THREAD LENGTH | 0.900 INCHES MINIMUM AND 1.000 INCHES MAXIMUM IN |
| NOMINAL THREAD DIAMETER | 0.250 INCHES IN |
| HEAD STYLE | FLAT COUNTERSUNK |
| THREAD DIRECTION | RIGHT-HAND |
| SCREW MATERIAL | STEEL COMP 1010 OR STEEL COMP 1013 |
| COLOR | BRONZE OR OLIVE DRAB |
| INTERNAL DRIVE STYLE | CROSS RECESS TYPE 1 |
| COUNTERSINK ANGLE | 80.0 DEGREES MINIMUM AND 82.0 DEGREES MAXIMUM |
No substitute or cross-reference records for this part.