The 1851670-1 is a the manufacturer industrial component. Key specifications include skirt_style: FLARED, skirt_design: DETACHABLE, overall_depth: 0.500 INCHES NOMINAL IN, inside_diameter: 0.250 INCHES NOMINAL IN, outside_diameter: 0.625 INCHES NOMINAL IN, screw_drive_type: CROSS RECESS TYPE 1. This product is currently in active production with full OEM support.
This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5355-00-999-0234, 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.
| skirt_style | FLARED |
| skirt_design | DETACHABLE |
| overall_depth | 0.500 INCHES NOMINAL IN |
| inside_diameter | 0.250 INCHES NOMINAL IN |
| outside_diameter | 0.625 INCHES NOMINAL IN |
| screw_drive_type | CROSS RECESS TYPE 1 |
| style_designator | ROUND |
| attachment_method | SETSCREWS |
| overall_thickness | 0.687 INCHES NOMINAL IN |
| reference_marking | TRIANGLE |
| nominal_thread_size | 0.112 INCHES SCREW HOLE IN |
| setscrew_hole_quantity | 2 |
| NSN | 5355-00-999-0234 |
| NOMINAL THREAD SIZE | 0.112 INCHES SCREW HOLE IN |
| THREAD QUANTITY PER INCH | 40 SCREW HOLE |
| ATTACHMENT METHOD | SETSCREWS |
| SCREW DRIVE TYPE | CROSS RECESS TYPE 1 |
| OVERALL THICKNESS | 0.687 INCHES NOMINAL IN |
| END ITEM IDENTIFICATION | W/S: HELICOPTER, ADVANCE ATTACK, AH-1W; TA-4J AIRCRAFT; HELICOPTER, COBRA/ATTACK, AH-1J W |
| THREAD SERIES DESIGNATOR | UNIFIED NATIONAL COARSE (UNC) SCREW HOLE |
| SKIRT OUTSIDE DIAMETER | 1.000 INCHES NOMINAL IN |
| STYLE DESIGNATOR | ROUND |
| SHAFT ACCOMMODATION STYLE | ROUND |