NSN 3040-01-348-4404 · NIIN 013484404 · Part number 3C3719P38
General Electric Company · FSC 3040 — Miscellaneous Power Transmission Equipment · FSG 30 — Mechanical Power Transmission Equipment · CAGE 07482
Government record, cited
NSN 3040-01-348-4404 — this item is cataloged by the U.S. Government under National Stock Number 3040-01-348-4404. Manufacturer of record part number: 3C3719P38.
Also searched as3040-01-348-4404 ·
3040013484404 ·
NIIN 013484404 ·
01-348-4404 ·
FSC 3040 Miscellaneous Power Transmission Equipment · CAGE 07482 · 3C3719P38 · 3C3719
First End Width Across Flats: 0.6865 INCHES NOMINAL IN
Step Quantity: 3
First End Diameter: 0.8080 INCHES MINIMUM AND 0.8085 INCHES MAXIMUM IN
First End Step Length: 0.2100 INCHES NOMINAL IN
Second End Diameter: 1.2310 INCHES MINIMUM AND 1.2360 INCHES MAXIMUM IN
Largest Step Diameter: 1.231 INCHES MINIMUM AND 1.236 INCHES MAXIMUM IN
Second End Spline Minor Diameter: 1.1360 INCHES NOMINAL IN
Identification
NSN: 3040-01-348-4404
NIIN: 013484404
FSC: 3040 — Miscellaneous Power Transmission Equipment
FSG: 30 — Mechanical Power Transmission Equipment
Primary part number: 3C3719P38
Manufacturer: General Electric Company
General Description
The Shaft,shouldered, cataloged under National Stock Number 3040-01-348-4404, is classified within Federal Supply Class 3040 (Miscellaneous Power Transmission Equipment) of the Mechanical Power Transmission Equipment group. The manufacturer of record is General Electric Company. 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 9 items share a part number with this NSN in the catalog (possible match — not a government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
3040-01-348-4404
Primary Part Number
3C3719P38
Item Name
Shaft,shouldered
FSC / FSG
3040 / 30 — Miscellaneous Power Transmission Equipment
Manufacturer
General Electric Company
Status
ACTIVE
First End Width Across Flats
0.6865 INCHES NOMINAL IN
Step Quantity
3
First End Diameter
0.8080 INCHES MINIMUM AND 0.8085 INCHES MAXIMUM IN
First End Step Length
0.2100 INCHES NOMINAL IN
Second End Diameter
1.2310 INCHES MINIMUM AND 1.2360 INCHES MAXIMUM IN
Largest Step Diameter
1.231 INCHES MINIMUM AND 1.236 INCHES MAXIMUM IN
Second End Spline Minor Diameter
1.1360 INCHES NOMINAL IN
First End Style
HEXAGONAL
Second End Spline Major Diameter
1.2310 INCHES MINIMUM AND 1.2360 INCHES MAXIMUM IN
End Similarity
NOT IDENTICAL
Second End Spline Quantity
24
Second End Pressure Angle
30.0 DEGREES NOMINAL
Second End Style
SPLINED (INVOLUTE)
Material
STEEL CORROSION RESISTING
Second End Pitch Diameter
1.2000 INCHES NOMINAL IN
Second End Spline Length
0.6620 INCHES NOMINAL IN
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 Items9
Each row states its source: a government interchangeability/replacement code, or a possible match on a shared part number.
3020-01-348-44953C3719P31POSSIBLE MATCH
GEAR,SPUR
Possible match (shared part number)General Electric Company
4710-01-672-70153C3719-150POSSIBLE MATCH
TUBE ASSEMBLY,METAL
Possible match (shared part number)Vertex Aircraft Integration and Sustainment Llc
4710-01-672-70873C3719-70POSSIBLE MATCH
TUBE ASSEMBLY,METAL
Possible match (shared part number)Vertex Aircraft Integration and Sustainment Llc
4710-01-672-70943C3719-250POSSIBLE MATCH
TUBE ASSEMBLY,METAL
Possible match (shared part number)Vertex Aircraft Integration and Sustainment Llc
4710-01-672-71033C3719-110POSSIBLE MATCH
TUBE ASSEMBLY,METAL
Possible match (shared part number)Vertex Aircraft Integration and Sustainment Llc
4710-01-672-71233C3719-50POSSIBLE MATCH
TUBE ASSEMBLY,METAL
Possible match (shared part number)Vertex Aircraft Integration and Sustainment Llc
4710-01-672-76583C3719-290POSSIBLE MATCH
TUBE ASSEMBLY,METAL
Possible match (shared part number)Vertex Aircraft Integration and Sustainment Llc
4710-01-672-76623C3719-30POSSIBLE MATCH
TUBE ASSEMBLY,METAL
Possible match (shared part number)Vertex Aircraft Integration and Sustainment Llc
4710-01-672-76713C3719-270POSSIBLE MATCH
TUBE ASSEMBLY,METAL
Possible match (shared part number)Vertex Aircraft Integration and Sustainment Llc
NSN 3040-01-348-4404 is a Shaft,shouldered, manufactured by General Electric Company, classified under FSC 3040, Miscellaneous Power Transmission Equipment. Status: active.
What part numbers are listed for NSN 3040-01-348-4404?
NSN 3040-01-348-4404 has 1 manufacturer part number on file: 3C3719P38 (General Electric Company).
What NSN replaces 3040-01-348-4404?
9 possible matches (shared part number, not a government interchangeability claim): 3020-01-348-4495, 4710-01-672-7015, 4710-01-672-7087. Verify interchangeability with system specifications before substitution.
What are the specifications of 3C3719P38?
Key specifications for 3C3719P38: First End Width Across Flats: 0.6865 INCHES NOMINAL IN; Step Quantity: 3; First End Diameter: 0.8080 INCHES MINIMUM AND 0.8085 INCHES MAXIMUM IN; First End Step Length: 0.2100 INCHES NOMINAL IN. 16 specifications are documented in the U.S. Government catalog.
Is NSN 3040-01-348-4404 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.