166A237-1: SCREW,MACHINE.
The SCREW,MACHINE is a the manufacturer industrial component. Key specifications include head_style: FLAT COUNTERSUNK, thread_class: 2A A, head_diameter: 0.279 INCHES MAXIMUM IN, thread_length: 0.180 INCHES MINIMUM AND 0.200 INCHES MAXIMUM IN, screw_material: STEEL COMP 302 OR STEEL COMP 304, fastener_length: 0.540 INCHES NOMINAL IN. This part is cataloged in the U.S.
Government catalog under NSN 5305-01-386-3214, 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 | 0.279 INCHES MAXIMUM IN |
| thread_length | 0.180 INCHES MINIMUM AND 0.200 INCHES MAXIMUM IN |
| screw_material | STEEL COMP 302 OR STEEL COMP 304 |
| fastener_length | 0.540 INCHES NOMINAL IN |
| special_features | UNDERCUT 0.096 IN. DIA, 0.215 IN. LG BETWEEN HEAD AND THREADS IN |
| thread_direction | RIGHT-HAND |
| countersink_angle | 99.0 DEGREES MINIMUM AND 101.0 DEGREES MAXIMUM |
| internal_drive_style | CROSS RECESS TYPE 1 |
| nominal_thread_diameter | 0.138 INCHES IN |
| screw_surface_treatment | PASSIVATE |
| NSN | 5305-01-386-3214 |
| SCREW SURFACE TREATMENT | PASSIVATE |
| FASTENER LENGTH | 0.540 INCHES NOMINAL IN |
| SCREW MATERIAL DOCUMENT AND CLASSIFICATION | 66 FED STD ALL MATERIAL RESPONSES |
| THREAD LENGTH | 0.180 INCHES MINIMUM AND 0.200 INCHES MAXIMUM IN |
| NOMINAL THREAD DIAMETER | 0.138 INCHES IN |
| HEAD STYLE | FLAT COUNTERSUNK |
| THREAD DIRECTION | RIGHT-HAND |
| SCREW MATERIAL | STEEL COMP 302 OR STEEL COMP 304 |
| SPECIAL FEATURES | UNDERCUT 0.096 IN. DIA, 0.215 IN. LG BETWEEN HEAD AND THREADS IN |
| MINIMUM TENSILE STRENGTH | 80000 POUNDS PER SQUARE INCH LBS |
No substitute or cross-reference records for this part.