420144: SCREW,MACHINE.
The SCREW,MACHINE is a the manufacturer industrial component. Key specifications include head_style: FLAT COUNTERSUNK, thread_class: 2A A, head_diameter: 0.244 INCHES MINIMUM AND 0.279 INCHES MAXIMUM IN, thread_length: 1.075 INCHES MINIMUM AND 1.125 INCHES MAXIMUM IN, fastener_length: 1.125 INCHES NOMINAL IN, thread_direction: RIGHT-HAND. This part is cataloged in the U.S.
Government catalog under NSN 5305-00-042-0144, 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 | 0.244 INCHES MINIMUM AND 0.279 INCHES MAXIMUM IN |
| thread_length | 1.075 INCHES MINIMUM AND 1.125 INCHES MAXIMUM IN |
| fastener_length | 1.125 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 | 0.138 INCHES IN |
| screw_surface_treatment | CADMIUM OR ZINC |
| thread_quantity_per_inch | 40 |
| thread_series_designator | UNF |
| NSN | 5305-00-042-0144 |
| SCREW SURFACE TREATMENT | CADMIUM OR ZINC |
| FASTENER LENGTH | 1.125 INCHES NOMINAL IN |
| SCREW MATERIAL DOCUMENT AND CLASSIFICATION | SAE ASSN STD ALL MATERIAL RESPONSES |
| THREAD LENGTH | 1.075 INCHES MINIMUM AND 1.125 INCHES MAXIMUM IN |
| NOMINAL THREAD DIAMETER | 0.138 INCHES IN |
| HEAD STYLE | FLAT COUNTERSUNK |
| THREAD DIRECTION | RIGHT-HAND |
| INTERNAL DRIVE STYLE | CROSS RECESS TYPE 1 |
| COUNTERSINK ANGLE | 80.0 DEGREES MINIMUM AND 82.0 DEGREES MAXIMUM |
| THREAD CLASS | 2A A |