NSN 2040-01-409-1580 · NIIN 014091580 · Part number 561-6404325-11
Naval Sea Systems Command · FSC 2040 — Marine Hardware and Hull Items · FSG 20 — Ship and Marine Equipment · CAGE 53711
Government record, cited
NSN 2040-01-409-1580 — this item is cataloged by the U.S. Government under National Stock Number 2040-01-409-1580. Manufacturer of record part number: 561-6404325-11.
Also searched as2040-01-409-1580 ·
2040014091580 ·
NIIN 014091580 ·
01-409-1580 ·
FSC 2040 Marine Hardware and Hull Items · CAGE 53711 · 561-6404325-11 · 6404325
The Shaft,rudder, cataloged under National Stock Number 2040-01-409-1580, is classified within Federal Supply Class 2040 (Marine Hardware and Hull Items) of the Ship and Marine Equipment group. The manufacturer of record is Naval Sea Systems Command. Government technical data includes 1 specification, 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 6 items share a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
Technical Specifications
Parameter
Value
NSN
2040-01-409-1580
Primary Part Number
561-6404325-11
Item Name
Shaft,rudder
FSC / FSG
2040 / 20 — Marine Hardware and Hull Items
Manufacturer
Naval Sea Systems Command
Status
ACTIVE
Material
STEEL
Lifecycle & Compliance
Acquisition Status
ACTIVE
DEMIL Code
DEMIL A — No Demilitarization Required
Hazard
No hazard code in the DLA record (HMIC N)
Criticality Code
X
⇄Related Items6
Each row states its source: a government interchangeability/replacement code, or a possible match on a shared part number.
2030-01-409-1584211060310POSSIBLE MATCH
STEERING WHEEL
Possible match (shared part number)Naval Sea Systems Command
3120-01-411-6504561-6404325-58POSSIBLE MATCH
BEARING,SLEEVE
Possible match (shared part number)Sargent Aerospace & Defense, Llc Dba Kahr Bearings
4730-01-422-9457561-6404325-165POSSIBLE MATCH
ADAPTER,STRAIGHT,FLANGE TO FLANG
Possible match (shared part number)Naval Sea Systems Command
2010-01-423-2431167-6404610-94POSSIBLE MATCH
ADAPTER,STERRING
Possible match (shared part number)Naval Sea Systems Command
2010-01-423-2437211060296POSSIBLE MATCH
HOUSING COLUMN STEERING
Possible match (shared part number)Naval Sea Systems Command
2010-01-423-2442211094505POSSIBLE MATCH
HOUSING,COLU STEERING
Possible match (shared part number)Naval Sea Systems Command
NSN 2040-01-409-1580 is a Shaft,rudder, manufactured by Naval Sea Systems Command, classified under FSC 2040, Marine Hardware and Hull Items. Status: active.
What part numbers are listed for NSN 2040-01-409-1580?
NSN 2040-01-409-1580 has 1 manufacturer part number on file: 561-6404325-11 (Naval Sea Systems Command).
What NSN replaces 2040-01-409-1580?
6 possible matches (shared part number, not a government interchangeability claim): 2030-01-409-1584, 3120-01-411-6504, 4730-01-422-9457. Verify interchangeability with system specifications before substitution.
What are the specifications of 561-6404325-11?
Key specifications for 561-6404325-11: End Item Identification: CONTROL COLUMN; Material: STEEL. 1 specification is documented in the U.S. Government catalog.
Is NSN 2040-01-409-1580 hazardous material?
No hazard code in the DLA record (HMIC N). Hazard information on this page is shown exactly as it appears in the DLA record.
Sources
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.
✓ Data cited from the U.S. Government catalog; commercial cross-references from OEM and certified industry sources.