A174-18E: SCREW,CLOSE TOLERANCE.
The SCREW,CLOSE TOLERANCE is a the manufacturer industrial component. Key specifications include head_style: FLAT COUNTERSUNK, grip_length: 1.871 INCHES MINIMUM AND 1.901 INCHES MAXIMUM IN, thread_class: 3A A, grip_diameter: 0.2465 INCHES MINIMUM AND 0.2495 INCHES MAXIMUM IN, head_diameter: 0.452 INCHES MINIMUM AND 0.510 INCHES MAXIMUM IN, thread_length: 0.459 INCHES MINIMUM IN. This part is cataloged in the U.S.
Government catalog under NSN 5305-01-382-6015, 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 |
| grip_length | 1.871 INCHES MINIMUM AND 1.901 INCHES MAXIMUM IN |
| thread_class | 3A A |
| grip_diameter | 0.2465 INCHES MINIMUM AND 0.2495 INCHES MAXIMUM IN |
| head_diameter | 0.452 INCHES MINIMUM AND 0.510 INCHES MAXIMUM IN |
| thread_length | 0.459 INCHES MINIMUM IN |
| fastener_length | 2.400 INCHES MINIMUM AND 2.440 INCHES MAXIMUM IN |
| thread_direction | RIGHT-HAND |
| countersink_angle | 99.0 DEGREES MINIMUM AND 101.0 DEGREES MAXIMUM |
| internal_drive_style | SLOT |
| nominal_thread_diameter | 0.250 INCHES IN |
| thread_quantity_per_inch | 28 |
| NSN | 5305-01-382-6015 |
| FASTENER LENGTH | 2.400 INCHES MINIMUM AND 2.440 INCHES MAXIMUM IN |
| THREAD LENGTH | 0.459 INCHES MINIMUM IN |
| NOMINAL THREAD DIAMETER | 0.250 INCHES IN |
| HEAD STYLE | FLAT COUNTERSUNK |
| THREAD DIRECTION | RIGHT-HAND |
| GRIP LENGTH | 1.871 INCHES MINIMUM AND 1.901 INCHES MAXIMUM IN |
| GRIP DIAMETER | 0.2465 INCHES MINIMUM AND 0.2495 INCHES MAXIMUM IN |
| INTERNAL DRIVE STYLE | SLOT |
| COUNTERSINK ANGLE | 99.0 DEGREES MINIMUM AND 101.0 DEGREES MAXIMUM |
| PART NAME ASSIGNED BY CONTROLLING AGENCY | NAVY SPECIAL PROJECT |
No substitute or cross-reference records for this part.