The Shaft,shouldered, cataloged under National Stock Number 3040-01-059-3389, 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 14 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. 1 item shares a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 3040-01-059-3389 |
| Primary Part Number | 181041-1 |
| 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 | 32.0 MICROINCHES |
| FSC Application Data | TRANSMISSION GEARBOX |
| First End Pitch Diameter | 0.3590 INCHES NOMINAL IN |
| Step Quantity | 3 |
| First End Diameter | 0.4060 INCHES NOMINAL IN |
| First End Spline Major Diameter | 0.4060 INCHES NOMINAL IN |
| Largest Step Diameter | 0.805 INCHES NOMINAL IN |
| First End Style | SPLINED (INVOLUTE) |
| First End Pressure Angle | 30.0000 DEGREES NOMINAL |
| First End Spline Length | 0.4200 INCHES NOMINAL IN |
| First End Spline Quantity | 12 |
| End Similarity | IDENTICAL |
| First End Spline Minor Diameter | 0.3120 INCHES NOMINAL IN |
| Material | STEEL |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| 181041-1 PRIMARY | Curtiss-Wright Controls, Inc. Dba Curtiss Wright Div Actuation Division (USA) |
NSN 3040-01-059-3389 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 3040-01-059-3389 has 1 manufacturer part number on file: 181041-1 (Curtiss-Wright Controls, Inc. Dba Curtiss Wright Div Actuation Division).
1 possible match (shared part number, not a government interchangeability claim): 5998-01-527-8322. Verify interchangeability with system specifications before substitution.
Key specifications for 181041-1: Surface Finish: 32.0 MICROINCHES; FSC Application Data: TRANSMISSION GEARBOX; First End Pitch Diameter: 0.3590 INCHES NOMINAL IN; Step Quantity: 3. 14 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.
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.