The SCREW,MACHINE is a the manufacturer industrial component. Key specifications include head_style: ROUND, head_height: 0.175 INCHES MAXIMUM IN, thread_class: 2A A, head_diameter: 0.443 INCHES MINIMUM AND 0.472 INCHES MAXIMUM IN, thread_length: 1.750 INCHES MINIMUM IN, screw_material: STEEL OR STEEL COMP 1010. This product is currently in active production with full OEM support.
This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5305-00-655-9955, 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 MAXIMUM IN |
| thread_class | 2A A |
| head_diameter | 0.443 INCHES MINIMUM AND 0.472 INCHES MAXIMUM IN |
| thread_length | 1.750 INCHES MINIMUM IN |
| screw_material | STEEL OR STEEL COMP 1010 |
| fastener_length | 3.500 INCHES NOMINAL IN |
| thread_direction | RIGHT-HAND |
| internal_drive_style | CROSS RECESS TYPE 1 |
| nominal_thread_diameter | 0.250 INCHES IN |
| screw_surface_treatment | CADMIUM |
| minimum_tensile_strength | 55000 POUNDS PER SQUARE INCH LBS |
| NSN | 5305-00-655-9955 |
| THREAD SERIES DESIGNATOR | UNIFIED NATIONAL COARSE (UNC) |
| THREAD CLASS | 2A A |
| HEAD HEIGHT | 0.175 INCHES MAXIMUM IN |
| THREAD QUANTITY PER INCH | 20 |
| FASTENER LENGTH | 3.500 INCHES NOMINAL IN |
| HEAD DIAMETER | 0.443 INCHES MINIMUM AND 0.472 INCHES MAXIMUM IN |
| SCREW SURFACE TREATMENT | CADMIUM |
| SCREW MATERIAL DOCUMENT AND CLASSIFICATION | QQ-S-630 FED SPEC 2ND MATERIAL RESPONSE OR QQ-S-631 FED SPEC 2ND MATERIAL RESPONSE OR QQ-S-634 FED SPEC 2ND MATERIAL RESPONSE |
| HEAD STYLE | ROUND |
| MINIMUM TENSILE STRENGTH | 55000 POUNDS PER SQUARE INCH LBS |