The Shaft,shouldered, cataloged under National Stock Number 3040-00-159-8613, 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 11 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 | 3040-00-159-8613 |
| Primary Part Number | 180581-1 |
| 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 |
| Step Quantity | 3 |
| First End Diameter | 0.3725 INCHES NOMINAL IN |
| Second End Diameter | 0.5000 INCHES NOMINAL IN |
| Second End Step Length | 0.092 INCHES NOMINAL IN |
| Largest Step Diameter | 0.500 INCHES NOMINAL IN |
| First End External Thread Length | 0.558 INCHES NOMINAL IN |
| First End Style | EXTERNAL THREADED |
| End Similarity | NOT IDENTICAL |
| Second End Style | HEXAGONAL |
| Material | STEEL |
| Second End Width Across Flats | 0.500 INCHES NOMINAL IN |
| 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 |
|---|---|
| 180581-1 PRIMARY | Curtiss-Wright Controls, Inc. Dba Curtiss Wright Div Actuation Division (USA) |
NSN 3040-00-159-8613 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 3040-00-159-8613 has 1 manufacturer part number on file: 180581-1 (Curtiss-Wright Controls, Inc. Dba Curtiss Wright Div Actuation Division).
Key specifications for 180581-1: Step Quantity: 3; First End Diameter: 0.3725 INCHES NOMINAL IN; Second End Diameter: 0.5000 INCHES NOMINAL IN; Second End Step Length: 0.092 INCHES NOMINAL IN. 11 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.