577A159P1: 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, thread_length: 0.390 INCHES MINIMUM AND 0.403 INCHES MAXIMUM IN, screw_material: STEEL, fastener_length: 0.500 INCHES NOMINAL IN. This part is cataloged in the U.S.
Government catalog under NSN 5305-01-377-6223, 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 |
| thread_length | 0.390 INCHES MINIMUM AND 0.403 INCHES MAXIMUM IN |
| screw_material | STEEL |
| fastener_length | 0.500 INCHES NOMINAL IN |
| thread_direction | RIGHT-HAND |
| countersink_angle | 99.0 DEGREES MINIMUM AND 101.0 DEGREES MAXIMUM |
| internal_drive_style | SLOT |
| nominal_thread_diameter | 0.250 INCHES IN |
| screw_surface_treatment | ZINC |
| thread_quantity_per_inch | 20 |
| NSN | 5305-01-377-6223 |
| SCREW SURFACE TREATMENT | ZINC |
| FASTENER LENGTH | 0.500 INCHES NOMINAL IN |
| SCREW MATERIAL DOCUMENT AND CLASSIFICATION | B4B2, CAGE 02982 MFR REF SINGLE MATERIAL RESPONSE |
| THREAD LENGTH | 0.390 INCHES MINIMUM AND 0.403 INCHES MAXIMUM IN |
| NOMINAL THREAD DIAMETER | 0.250 INCHES IN |
| HEAD STYLE | FLAT COUNTERSUNK |
| THREAD DIRECTION | RIGHT-HAND |
| SCREW MATERIAL | STEEL |
| INTERNAL DRIVE STYLE | SLOT |
| COUNTERSINK ANGLE | 99.0 DEGREES MINIMUM AND 101.0 DEGREES MAXIMUM |
No substitute or cross-reference records for this part.