The SCREW,MACHINE is a the manufacturer industrial component. Key specifications include head_style: FLAT COUNTERSUNK, thread_class: 3A A, head_diameter: 0.452 INCHES MINIMUM AND 0.507 INCHES MAXIMUM IN, thread_length: 0.797 INCHES MINIMUM AND 0.847 INCHES MAXIMUM IN, screw_material: NICKEL ALLOY 400, fastener_length: 1.000 INCHES NOMINAL IN. This product is currently in active production with full OEM support.
This part is cataloged in the Federal Logistics Information System under NSN 5305-01-321-6226, 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 | 3A A |
| head_diameter | 0.452 INCHES MINIMUM AND 0.507 INCHES MAXIMUM IN |
| thread_length | 0.797 INCHES MINIMUM AND 0.847 INCHES MAXIMUM IN |
| screw_material | NICKEL ALLOY 400 |
| fastener_length | 1.000 INCHES NOMINAL IN |
| thread_direction | RIGHT-HAND |
| countersink_angle | 80.0 DEGREES MINIMUM AND 82.0 DEGREES MAXIMUM |
| internal_drive_style | SLOT |
| nominal_thread_diameter | 0.250 INCHES IN |
| minimum_tensile_strength | 80000 POUNDS PER SQUARE INCH LBS |
| thread_quantity_per_inch | 20 |
| NSN | 5305-01-321-6226 |
| THREAD SERIES DESIGNATOR | UNIFIED NATIONAL COARSE (UNC) |
| FASTENER LENGTH | 1.000 INCHES NOMINAL IN |
| MINIMUM TENSILE STRENGTH | 80000 POUNDS PER SQUARE INCH LBS |
| INTERNAL DRIVE STYLE | SLOT |
| HEAD DIAMETER | 0.452 INCHES MINIMUM AND 0.507 INCHES MAXIMUM IN |
| THREAD QUANTITY PER INCH | 20 |
| THREAD CLASS | 3A A |
| COUNTERSINK ANGLE | 80.0 DEGREES MINIMUM AND 82.0 DEGREES MAXIMUM |
| SCREW MATERIAL | NICKEL ALLOY 400 |
| THREAD DIRECTION | RIGHT-HAND |