AN507-428R10: SCREW,MACHINE.
The SCREW,MACHINE is a the manufacturer industrial component. Key specifications include head_style: FLAT COUNTERSUNK, thread_class: 2A A, head_diameter: 0.477 INCHES MINIMUM AND 0.507 INCHES MAXIMUM IN, screw_material: STEEL, fastener_length: 0.625 INCHES NOMINAL IN, thread_direction: RIGHT-HAND. This part is cataloged in the U.S.
Government catalog under NSN 5305-00-156-2408, 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 | 0.477 INCHES MINIMUM AND 0.507 INCHES MAXIMUM IN |
| screw_material | STEEL |
| fastener_length | 0.625 INCHES NOMINAL IN |
| thread_direction | RIGHT-HAND |
| countersink_angle | 99.0 DEGREES MINIMUM AND 101.0 DEGREES MAXIMUM |
| internal_drive_style | CROSS RECESS TYPE 1 |
| nominal_thread_diameter | 0.250 INCHES IN |
| screw_surface_treatment | CADMIUM |
| thread_quantity_per_inch | 28 |
| thread_series_designator | UNF |
| NSN | 5305-00-156-2408 |
| SCREW SURFACE TREATMENT | CADMIUM |
| FASTENER LENGTH | 0.594 INCHES MINIMUM AND 0.625 INCHES MAXIMUM IN |
| SCREW MATERIAL DOCUMENT AND CLASSIFICATION | 66 FED STD SINGLE MATERIAL RESPONSE |
| THREAD LENGTH | 0.594 INCHES MINIMUM AND 0.625 INCHES MAXIMUM IN |
| HARDNESS RATING | 26.0 ROCKWELL C MINIMUM AND 32.0 ROCKWELL C MAXIMUM |
| NOMINAL THREAD DIAMETER | 0.250 INCHES IN |
| HEAD STYLE | FLAT COUNTERSUNK |
| THREAD DIRECTION | RIGHT-HAND |
| DEPARTURE FROM CITED DOCUMENT | AS MODIFIED BY MATERIAL,METALLIC HARDNESS RATING AND TENSILE STRENGTH |
| NONDEFINITIVE SPEC/STD DATA | 3 TYPE AND 3C STYLE |