NSN 3040-01-341-8605 · NIIN 013418605 · Part number 803-5959220 PIECE 27
Naval Sea Systems Command · FSC 3040 — Miscellaneous Power Transmission Equipment · FSG 30 — Mechanical Power Transmission Equipment · CAGE 53711
Government record, cited
NSN 3040-01-341-8605 — this item is cataloged by the U.S. Government under National Stock Number 3040-01-341-8605. Manufacturer of record part number: 803-5959220 PIECE 27.
Also searched as3040-01-341-8605 ·
3040013418605 ·
NIIN 013418605 ·
01-341-8605 ·
FSC 3040 Miscellaneous Power Transmission Equipment · CAGE 53711 · 803-5959220 PIECE 27 · 803-5959220
First End External Thread Length: 1.2190 INCHES NOMINAL IN
First End Style: EXTERNAL THREADED
Material Document and Classification: QQ-C-390 FED SPEC SINGLE MATERIAL RESPONSE
Identification
NSN: 3040-01-341-8605
NIIN: 013418605
FSC: 3040 — Miscellaneous Power Transmission Equipment
FSG: 30 — Mechanical Power Transmission Equipment
Primary part number: 803-5959220 PIECE 27
Manufacturer: Naval Sea Systems Command
General Description
The Shaft,shouldered, cataloged under National Stock Number 3040-01-341-8605, is classified within Federal Supply Class 3040 (Miscellaneous Power Transmission Equipment) of the Mechanical Power Transmission Equipment group. The manufacturer of record is Naval Sea Systems Command. Government technical data includes 9 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 5 items share a part number with this NSN in the catalog (possible match — not a government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
3040-01-341-8605
Primary Part Number
803-5959220 PIECE 27
Item Name
Shaft,shouldered
FSC / FSG
3040 / 30 — Miscellaneous Power Transmission Equipment
Manufacturer
Naval Sea Systems Command
Status
ACTIVE
Surface Finish
63.0 MICROINCHES
Step Quantity
7
First End Diameter
0.8750 INCHES NOMINAL IN
Largest Step Diameter
2.750 INCHES NOMINAL IN
First End External Thread Length
1.2190 INCHES NOMINAL IN
First End Style
EXTERNAL THREADED
Material Document and Classification
QQ-C-390 FED SPEC SINGLE MATERIAL RESPONSE
End Similarity
IDENTICAL
Material
COPPER ALLOY
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 Items5
Each row states its source: a government interchangeability/replacement code, or a possible match on a shared part number.
3040-01-342-2454803-5959220 PIECE 32POSSIBLE MATCH
COLLAR,SHAFT
Possible match (shared part number)Naval Sea Systems Command
2040-01-345-9834803-5959220 PIECE 70POSSIBLE MATCH
WEDGE,DOOR
Possible match (shared part number)Naval Sea Systems Command
2040-01-426-0118803-5959220 PC 63POSSIBLE MATCH
DOG,DOOR,MARINE
Possible match (shared part number)Naval Sea Systems Command
2040-01-426-0119803-5959220 PC 64POSSIBLE MATCH
DOG,DOOR,MARINE
Possible match (shared part number)Naval Sea Systems Command
2040-01-460-1461803-5959220 ASSY 1 MODPOSSIBLE MATCH
DOOR,METAL,MARINE STRUCTURAL
Possible match (shared part number)Naval Sea Systems Command
NSN 3040-01-341-8605 is a Shaft,shouldered, manufactured by Naval Sea Systems Command, classified under FSC 3040, Miscellaneous Power Transmission Equipment. Status: active.
What part numbers are listed for NSN 3040-01-341-8605?
NSN 3040-01-341-8605 has 1 manufacturer part number on file: 803-5959220 PIECE 27 (Naval Sea Systems Command).
What NSN replaces 3040-01-341-8605?
5 possible matches (shared part number, not a government interchangeability claim): 3040-01-342-2454, 2040-01-345-9834, 2040-01-426-0118. Verify interchangeability with system specifications before substitution.
What are the specifications of 803-5959220 PIECE 27?
Key specifications for 803-5959220 PIECE 27: Surface Finish: 63.0 MICROINCHES; Step Quantity: 7; First End Diameter: 0.8750 INCHES NOMINAL IN; Largest Step Diameter: 2.750 INCHES NOMINAL IN. 9 specifications are documented in the U.S. Government catalog.
Is NSN 3040-01-341-8605 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.