446-3-89: SCREW,MACHINE.
The SCREW,MACHINE is a the manufacturer industrial component. Key specifications include head_style: FLAT COUNTERSUNK, thread_class: 3A A, head_diameter: 0.462 INCHES MINIMUM AND 0.507 INCHES MAXIMUM IN, thread_length: 0.621 INCHES MINIMUM AND 0.744 INCHES MAXIMUM IN, screw_material: ALUMINUM ALLOY 2024, fastener_length: 0.845 INCHES MINIMUM AND 0.875 INCHES MAXIMUM IN. This part is cataloged in the U.S.
Government catalog under NSN 5305-01-020-9502, 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 | 3A A |
| head_diameter | 0.462 INCHES MINIMUM AND 0.507 INCHES MAXIMUM IN |
| thread_length | 0.621 INCHES MINIMUM AND 0.744 INCHES MAXIMUM IN |
| screw_material | ALUMINUM ALLOY 2024 |
| fastener_length | 0.845 INCHES MINIMUM AND 0.875 INCHES MAXIMUM IN |
| hardness_rating | 38.0 ROCKWELL C MINIMUM AND 42.0 ROCKWELL C MAXIMUM |
| thread_direction | RIGHT-HAND |
| countersink_angle | 82.0 DEGREES NOMINAL |
| internal_drive_style | SLOT |
| thread_surface_finish | 63.0 MICROINCHES |
| nominal_thread_diameter | 0.250 INCHES IN |
| NSN | 5305-01-020-9502 |
| SCREW SURFACE TREATMENT | PAINT AND ANODIZE |
| FASTENER LENGTH | 0.845 INCHES MINIMUM AND 0.875 INCHES MAXIMUM IN |
| SCREW MATERIAL DOCUMENT AND CLASSIFICATION | QQ-A-200/3 FED SPEC 1ST MATERIAL RESPONSE OR QQ-A-225/6 FED SPEC 2ND MATERIAL RESPONSE |
| THREAD LENGTH | 0.621 INCHES MINIMUM AND 0.744 INCHES MAXIMUM IN |
| HARDNESS RATING | 38.0 ROCKWELL C MINIMUM AND 42.0 ROCKWELL C MAXIMUM |
| NOMINAL THREAD DIAMETER | 0.250 INCHES IN |
| HEAD STYLE | FLAT COUNTERSUNK |
| THREAD DIRECTION | RIGHT-HAND |
| THREAD SURFACE FINISH | 63.0 MICROINCHES |
| SCREW MATERIAL | ALUMINUM ALLOY 2024 |
No substitute or cross-reference records for this part.