91790A146: SCREW,MACHINE.
The SCREW,MACHINE is a the manufacturer industrial component. Key specifications include head_style: OVAL COUNTERSUNK, thread_class: 2A A, head_diameter: 0.244 INCHES MINIMUM AND 0.279 INCHES MAXIMUM IN, thread_length: 0.375 INCHES MINIMUM IN, thread_direction: RIGHT-HAND, countersink_angle: 0.080 DEGREES MINIMUM AND 0.082 DEGREES MAXIMUM. This part is cataloged in the U.S.
Government catalog under NSN 5305-01-190-2184, 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 | OVAL COUNTERSUNK |
| thread_class | 2A A |
| head_diameter | 0.244 INCHES MINIMUM AND 0.279 INCHES MAXIMUM IN |
| thread_length | 0.375 INCHES MINIMUM IN |
| screw_material | STEEL COMP 302 OR STEEL COMP 302B OR STEEL COMP 303 OR STEEL COMP 303 PLUS X OR STEEL COMP 303SE OR STEEL COMP 303CU OR STEEL COMP 303MA OR STEEL COMP 304 OR STEEL COMP 304L |
| thread_direction | RIGHT-HAND |
| countersink_angle | 0.080 DEGREES MINIMUM AND 0.082 DEGREES MAXIMUM |
| internal_drive_style | SLOT |
| nominal_thread_diameter | 0.138 INCHES IN |
| thread_quantity_per_inch | 32 |
| thread_series_designator | UNIFIED NATIONAL COARSE (UNC) |
| NSN | 5305-01-190-2184 |
| THREAD LENGTH | 0.375 INCHES MINIMUM IN |
| NOMINAL THREAD DIAMETER | 0.138 INCHES IN |
| HEAD STYLE | OVAL COUNTERSUNK |
| THREAD DIRECTION | RIGHT-HAND |
| SCREW MATERIAL | STEEL COMP 302 OR STEEL COMP 302B OR STEEL COMP 303 OR STEEL COMP 303 PLUS X OR STEEL COMP 303SE OR STEEL COMP 303CU OR STEEL COMP 303MA OR STEEL COMP 304 OR STEEL COMP 304L |
| INTERNAL DRIVE STYLE | SLOT |
| COUNTERSINK ANGLE | 0.080 DEGREES MINIMUM AND 0.082 DEGREES MAXIMUM |
| THREAD CLASS | 2A A |
| THREAD QUANTITY PER INCH | 32 |
| THREAD SERIES DESIGNATOR | UNIFIED NATIONAL COARSE (UNC) |