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: 0.775 INCHES MINIMUM AND 0.875 INCHES MAXIMUM IN, fastener_length: 0.875 INCHES NOMINAL IN, thread_direction: RIGHT-HAND. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5305-00-954-3937, 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 | 0.775 INCHES MINIMUM AND 0.875 INCHES MAXIMUM IN |
| fastener_length | 0.875 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 | CADMIUM AND CHROMATE |
| minimum_tensile_strength | 55000 POUNDS PER SQUARE INCH LBS |
| thread_quantity_per_inch | 20 |
| NSN | 5305-00-954-3937 |
| SCREW MATERIAL DOCUMENT AND CLASSIFICATION | 66 FED STD ALL MATERIAL RESPONSES |
| THREAD SERIES DESIGNATOR | UNIFIED NATIONAL COARSE (UNC) |
| THREAD QUANTITY PER INCH | 20 |
| THREAD LENGTH | 0.775 INCHES MINIMUM AND 0.875 INCHES MAXIMUM IN |
| SCREW SURFACE TREATMENT | CADMIUM AND CHROMATE |
| HEAD DIAMETER | 0.452 INCHES MINIMUM AND 0.507 INCHES MAXIMUM IN |
| THREAD DIRECTION | RIGHT-HAND |
| MINIMUM TENSILE STRENGTH | 55000 POUNDS PER SQUARE INCH LBS |
| SCREW SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | QQ-P-416,TY 2 CL 3 FED SPEC ALL TREATMENT RESPONSES |
| NOMINAL THREAD DIAMETER | 0.250 INCHES IN |