581R277H09: SCREW,MACHINE.
The SCREW,MACHINE is a the manufacturer industrial component. Key specifications include head_style: FLAT COUNTERSUNK, thread_class: 2A A, head_diameter: 0.350 INCHES MINIMUM AND 0.398 INCHES MAXIMUM IN, thread_length: 0.200 INCHES MINIMUM IN, screw_material: STEEL COMP 303, fastener_length: 0.437 INCHES NOMINAL IN. This part is cataloged in the U.S.
Government catalog under NSN 5305-01-090-4822, 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 | 0.350 INCHES MINIMUM AND 0.398 INCHES MAXIMUM IN |
| thread_length | 0.200 INCHES MINIMUM IN |
| screw_material | STEEL COMP 303 |
| fastener_length | 0.437 INCHES NOMINAL IN |
| special_features | 0.188 IN. MIN 0.190 IN. MAX DIA THRU HOLE ON LONGITUDINAL AXIS IN |
| thread_direction | RIGHT-HAND |
| countersink_angle | 100.0 DEGREES NOMINAL |
| internal_drive_style | RECESSED TYPE I |
| nominal_thread_diameter | 0.250 INCHES IN |
| screw_surface_treatment | PASSIVATE |
| NSN | 5305-01-090-4822 |
| SCREW SURFACE TREATMENT | PASSIVATE |
| FASTENER LENGTH | 0.437 INCHES NOMINAL IN |
| SCREW MATERIAL DOCUMENT AND CLASSIFICATION | QQ-S-764 COND A FED SPEC SINGLE MATERIAL RESPONSE |
| THREAD LENGTH | 0.200 INCHES MINIMUM IN |
| NOMINAL THREAD DIAMETER | 0.250 INCHES IN |
| HEAD STYLE | FLAT COUNTERSUNK |
| THREAD DIRECTION | RIGHT-HAND |
| SCREW MATERIAL | STEEL COMP 303 |
| SPECIAL FEATURES | 0.188 IN. MIN 0.190 IN. MAX DIA THRU HOLE ON LONGITUDINAL AXIS IN |
| INTERNAL DRIVE STYLE | RECESSED TYPE I |
No substitute or cross-reference records for this part.