The SCREW,MACHINE is a the manufacturer industrial component. Key specifications include head_style: ROUND, head_height: 0.175 INCHES NOMINAL IN, thread_class: 2A A, head_diameter: 0.443 INCHES MINIMUM AND 0.472 INCHES MAXIMUM IN, thread_length: 0.594 INCHES MINIMUM AND 0.625 INCHES MAXIMUM IN, screw_material: STEEL COMP 1010. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5305-00-286-1144, 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 | ROUND |
| head_height | 0.175 INCHES NOMINAL IN |
| thread_class | 2A A |
| head_diameter | 0.443 INCHES MINIMUM AND 0.472 INCHES MAXIMUM IN |
| thread_length | 0.594 INCHES MINIMUM AND 0.625 INCHES MAXIMUM IN |
| screw_material | STEEL COMP 1010 |
| fastener_length | 0.594 INCHES MINIMUM AND 0.625 INCHES MAXIMUM IN |
| thread_direction | RIGHT-HAND |
| internal_drive_style | CROSS RECESS TYPE 1 |
| nominal_thread_diameter | 0.250 INCHES IN |
| screw_surface_treatment | CADMIUM |
| thread_quantity_per_inch | 28 |
| NSN | 5305-00-286-1144 |
| THREAD SERIES DESIGNATOR | UNF |
| INTERNAL DRIVE STYLE | CROSS RECESS TYPE 1 |
| HEAD HEIGHT | 0.175 INCHES NOMINAL IN |
| NONDEFINITIVE SPEC/STD DATA | 3 TYPE AND 1C STYLE |
| DEPARTURE FROM CITED DESIGNATOR | AS MODIFIED BY INTERNAL DRIVE STYLE AND LOCATION |
| HEAD DIAMETER | 0.443 INCHES MINIMUM AND 0.472 INCHES MAXIMUM IN |
| SCREW MATERIAL DOCUMENT AND CLASSIFICATION | QQ-S-633 FED SPEC SINGLE MATERIAL RESPONSE |
| THREAD CLASS | 2A A |
| FASTENER LENGTH | 0.594 INCHES MINIMUM AND 0.625 INCHES MAXIMUM IN |
| NOMINAL THREAD DIAMETER | 0.250 INCHES IN |