561-500C2-52: SCREW,MACHINE.
The SCREW,MACHINE is a the manufacturer industrial component. Key specifications include head_style: FLAT COUNTERSUNK, thread_class: 2A A, head_diameter: 0.257 INCHES MINIMUM AND 0.279 INCHES MAXIMUM IN, thread_length: 0.417 INCHES MINIMUM IN, screw_material: STEEL CORROSION RESISTING, fastener_length: 0.500 INCHES NOMINAL IN. This part is cataloged in the U.S.
Government catalog under NSN 5305-00-022-7101, 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 | 0.257 INCHES MINIMUM AND 0.279 INCHES MAXIMUM IN |
| thread_length | 0.417 INCHES MINIMUM IN |
| screw_material | STEEL CORROSION RESISTING |
| fastener_length | 0.500 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 | 0.138 INCHES IN |
| screw_surface_treatment | PASSIVATE |
| minimum_tensile_strength | 80000 POUNDS PER SQUARE INCH LBS |
| NSN | 5305-00-022-7101 |
| SCREW SURFACE TREATMENT | PASSIVATE |
| FASTENER LENGTH | 0.500 INCHES NOMINAL IN |
| SCREW MATERIAL DOCUMENT AND CLASSIFICATION | QQ-S-763,300 SERIES FED SPEC SINGLE MATERIAL RESPONSE OR 66,300 SERIES FED STD SINGLE MATERIAL RESPONSE OR COMP 16-18 OR 18-8 ASSN STD SINGLE MATERIAL RESPONSE |
| THREAD LENGTH | 0.417 INCHES MINIMUM IN |
| NOMINAL THREAD DIAMETER | 0.138 INCHES IN |
| HEAD STYLE | FLAT COUNTERSUNK |
| THREAD DIRECTION | RIGHT-HAND |
| NONDEFINITIVE SPEC/STD DATA | 1 TYPE AND 2S STYLE |
| SCREW MATERIAL | STEEL CORROSION RESISTING |
| MINIMUM TENSILE STRENGTH | 80000 POUNDS PER SQUARE INCH LBS |