The SCREW,MACHINE is a the manufacturer industrial component. Key specifications include head_style: PAN, head_height: 0.162 INCHES MINIMUM AND 0.175 INCHES MAXIMUM IN, thread_class: 2A A, head_diameter: 0.473 INCHES MINIMUM AND 0.492 INCHES MAXIMUM IN, thread_length: 0.338 INCHES MINIMUM AND 0.438 INCHES MAXIMUM IN, screw_material: COPPER ALLOY. This product is currently in active production with full OEM support.
This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5305-00-637-1120, 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 | PAN |
| head_height | 0.162 INCHES MINIMUM AND 0.175 INCHES MAXIMUM IN |
| thread_class | 2A A |
| head_diameter | 0.473 INCHES MINIMUM AND 0.492 INCHES MAXIMUM IN |
| thread_length | 0.338 INCHES MINIMUM AND 0.438 INCHES MAXIMUM IN |
| screw_material | COPPER ALLOY |
| fastener_length | 0.438 INCHES NOMINAL IN |
| thread_direction | RIGHT-HAND |
| internal_drive_style | CROSS RECESS TYPE 1 |
| nominal_thread_diameter | 0.250 INCHES IN |
| minimum_tensile_strength | 57000 POUNDS PER SQUARE INCH LBS |
| thread_quantity_per_inch | 20 |
| NSN | 5305-00-637-1120 |
| INTERNAL DRIVE STYLE | CROSS RECESS TYPE 1 |
| THREAD QUANTITY PER INCH | 20 |
| FASTENER LENGTH | 0.438 INCHES NOMINAL IN |
| MINIMUM TENSILE STRENGTH | 57000 POUNDS PER SQUARE INCH LBS |
| SCREW MATERIAL DOCUMENT AND CLASSIFICATION | QQ-B-626 FED SPEC SINGLE MATERIAL RESPONSE OR QQ-W-321 FED SPEC SINGLE MATERIAL RESPONSE |
| THREAD SERIES DESIGNATOR | UNIFIED NATIONAL COARSE (UNC) |
| THREAD LENGTH | 0.338 INCHES MINIMUM AND 0.438 INCHES MAXIMUM IN |
| THREAD CLASS | 2A A |
| SCREW MATERIAL | COPPER ALLOY |
| THREAD DIRECTION | RIGHT-HAND |