The Shaft,shouldered, cataloged under National Stock Number 3040-01-018-3665, is classified within Federal Supply Class 3040 (Miscellaneous Power Transmission Equipment) of the Mechanical Power Transmission Equipment group. The manufacturer of record is Curtiss-Wright Controls, Inc. Dba Curtiss Wright Div Actuation Division. Government technical data includes 16 specifications, cited from the U.S. Government catalog. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 3040-01-018-3665 |
| Primary Part Number | 181025-1 |
| Item Name | Shaft,shouldered |
| FSC / FSG | 3040 / 30 — Miscellaneous Power Transmission Equipment |
| Manufacturer | Curtiss-Wright Controls, Inc. Dba Curtiss Wright Div Actuation Division |
| Status | ACTIVE |
| Surface Finish | 10.0 MICROINCHES |
| FSC Application Data | ACTUATOR MECHANICALAIRCRAFT |
| Step Quantity | 2 |
| First End Diameter | 1.2125 INCHES NOMINAL IN |
| Second End Diameter | 1.2125 INCHES NOMINAL IN |
| Largest Step Diameter | 1.212 INCHES NOMINAL IN |
| Second End Spline Minor Diameter | 1.1121 INCHES NOMINAL IN |
| First End Style | PLAIN |
| Second End Spline Major Diameter | 1.2125 INCHES NOMINAL IN |
| End Similarity | NOT IDENTICAL |
| Second End Spline Quantity | 38 |
| Second End Pressure Angle | 30.0 DEGREES NOMINAL |
| Second End Style | SPLINED (INVOLUTE) |
| Material | STEEL |
| Second End Pitch Diameter | 1.1600 INCHES NOMINAL IN |
| Second End Spline Length | 10.020 INCHES NOMINAL IN |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL Q — CCL Item — Commerce Control List |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| 181025-1 PRIMARY | Curtiss-Wright Controls, Inc. Dba Curtiss Wright Div Actuation Division (USA) |
NSN 3040-01-018-3665 is a Shaft,shouldered, manufactured by Curtiss-Wright Controls, Inc. Dba Curtiss Wright Div Actuation Division, classified under FSC 3040, Miscellaneous Power Transmission Equipment. Status: active.
NSN 3040-01-018-3665 has 1 manufacturer part number on file: 181025-1 (Curtiss-Wright Controls, Inc. Dba Curtiss Wright Div Actuation Division).
Key specifications for 181025-1: Surface Finish: 10.0 MICROINCHES; FSC Application Data: ACTUATOR MECHANICALAIRCRAFT; Step Quantity: 2; First End Diameter: 1.2125 INCHES NOMINAL IN. 16 specifications are documented in the U.S. Government catalog.
No hazard code in the DLA record (HMIC N). Hazard information on this page is shown exactly as it appears in the DLA record.
NSN 3040-01-018-3665 has DEMIL Code Q. Demilitarization may be required before disposal or transfer to non-military entities.
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-16.
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-18.