First End Spline Major Diameter: 1.0500 INCHES NOMINAL IN
Second End Diameter: 1.0500 INCHES NOMINAL IN
Largest Step Diameter: 1.050 INCHES NOMINAL IN
Second End Spline Minor Diameter: 0.8850 INCHES NOMINAL IN
First End Style: SPLINED (STRAIGHT)
Identification
NSN: 3040-00-006-6174
NIIN: 000066174
FSC: 3040 — Miscellaneous Power Transmission Equipment
FSG: 30 — Mechanical Power Transmission Equipment
General Description
The Shaft,shouldered, cataloged under National Stock Number 3040-00-006-6174, is classified within Federal Supply Class 3040 (Miscellaneous Power Transmission Equipment) of the Mechanical Power Transmission Equipment group. Government technical data includes 16 specifications, cited from the U.S. Government catalog. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 7 items share a part number with this NSN in the catalog (possible match — not a government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
3040-00-006-6174
Item Name
Shaft,shouldered
FSC / FSG
3040 / 30 — Miscellaneous Power Transmission Equipment
Status
ACTIVE
Step Quantity
4
First End Diameter
1.0500 INCHES NOMINAL IN
First End Spline Major Diameter
1.0500 INCHES NOMINAL IN
Second End Diameter
1.0500 INCHES NOMINAL IN
Largest Step Diameter
1.050 INCHES NOMINAL IN
Second End Spline Minor Diameter
0.8850 INCHES NOMINAL IN
First End Style
SPLINED (STRAIGHT)
Second End Spline Major Diameter
1.0500 INCHES NOMINAL IN
First End Spline Length
0.325 INCHES NOMINAL IN
First End Spline Quantity
12
End Similarity
NOT IDENTICAL
Second End Spline Quantity
12
Second End Style
SPLINED (STRAIGHT)
First End Spline Minor Diameter
0.8850 INCHES NOMINAL IN
Material
STEEL
Second End Spline Length
0.700 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 Items7
Each row states its source: a government interchangeability/replacement code, or a possible match on a shared part number.
3825-00-079-853657437POSSIBLE MATCH
BROOM,GUTTER,DISPOSABLE
Possible match (shared part number)Allianz Sweeper Company
5935-00-161-5469POSSIBLE MATCH
CONNECTOR,RECEPTACLE,ELECTRICAL
Possible match (shared part number)
4320-00-764-6510NY-810POSSIBLE MATCH
VALVE UNIT,PUMP
Possible match (shared part number)Durabla Mfg Co
5930-00-786-1461POSSIBLE MATCH
SWITCH,TOGGLE
Possible match (shared part number)
6515-01-029-70955743POSSIBLE MATCH
NEEDLE,HYPODERMIC
Possible match (shared part number)Becton, Dickinson and Co Dba Becton Dickinson & Co
5950-01-136-655480030-5POSSIBLE MATCH
TRANSFORMER,PULSE
Possible match (shared part number)A M I/ Coast Magnetics Inc. Dba Coast Magnetics
5935-01-508-08195743POSSIBLE MATCH
CONNECTOR,RECEPTACLE,ELECTRICAL
Possible match (shared part number)Cpi Essco Inc
Cross-Reference Index
No manufacturer part numbers on file in the U.S. Government catalog.
Reference documents
Reference
Meaning
5743
3/2Design control — primary reference
U.S. Government activity
Related Parts
3825-00-079-8536POSSIBLE MATCH
BROOM,GUTTER,DISPOSABLE
57437
5935-00-161-5469POSSIBLE MATCH
CONNECTOR,RECEPTACLE,ELECTRICAL
4320-00-764-6510POSSIBLE MATCH
VALVE UNIT,PUMP
NY-810
5930-00-786-1461POSSIBLE MATCH
SWITCH,TOGGLE
6515-01-029-7095POSSIBLE MATCH
NEEDLE,HYPODERMIC
5743
5950-01-136-6554POSSIBLE MATCH
TRANSFORMER,PULSE
80030-5
5935-01-508-0819POSSIBLE MATCH
CONNECTOR,RECEPTACLE,ELECTRICAL
5743
Frequently Asked Questions
What is NSN 3040-00-006-6174?
NSN 3040-00-006-6174 is a Shaft,shouldered, classified under FSC 3040, Miscellaneous Power Transmission Equipment. Status: active.
What NSN replaces 3040-00-006-6174?
7 possible matches (shared part number, not a government interchangeability claim): 3825-00-079-8536, 5935-00-161-5469, 4320-00-764-6510. Verify interchangeability with system specifications before substitution.
What are the specifications of 3040-00-006-6174?
Key specifications for 3040-00-006-6174: Step Quantity: 4; First End Diameter: 1.0500 INCHES NOMINAL IN; First End Spline Major Diameter: 1.0500 INCHES NOMINAL IN; Second End Diameter: 1.0500 INCHES NOMINAL IN. 16 specifications are documented in the U.S. Government catalog.
Is NSN 3040-00-006-6174 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.