NSN 3040-01-433-8332 · NIIN 014338332 · Part number 752-6406847-56
Naval Sea Systems Command · FSC 3040 — Miscellaneous Power Transmission Equipment · FSG 30 — Mechanical Power Transmission Equipment · CAGE 53711
Government record, cited
NSN 3040-01-433-8332 — this item is cataloged by the U.S. Government under National Stock Number 3040-01-433-8332. Manufacturer of record part number: 752-6406847-56.
FSC: 3040 — Miscellaneous Power Transmission Equipment
FSG: 30 — Mechanical Power Transmission Equipment
Primary part number: 752-6406847-56
Manufacturer: Naval Sea Systems Command
General Description
The Gearshaft,spur, cataloged under National Stock Number 3040-01-433-8332, 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 13 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through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 8 items share a part number with this NSN in the catalog (possible match — not a government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
3040-01-433-8332
Primary Part Number
752-6406847-56
Item Name
Gearshaft,spur
FSC / FSG
3040 / 30 — Miscellaneous Power Transmission Equipment
Manufacturer
Naval Sea Systems Command
Status
ACTIVE
Shaft Type
SHOULDERED
Shaft Material
NICKEL AND STEEL
Shaft Largest Diameter
1.498 INCHES NOMINAL IN
Shaft End Size
1.240 INCHES IN
Teeth Quantity
27
Diametral Pitch
12
Precision Classification
QUALITY NUMBER 10
Gear Outside Diameter
2.416 INCHES NOMINAL IN
Gear Material
NICKEL AND STEEL
Shaft End Type
SPLINED INVOLUTE
Gear Location on Shaft
ON END OF SHAFT
Pressure Angle
20.0000 DEGREES
Face Width
0.871 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 Items8
Each row states its source: a government interchangeability/replacement code, or a possible match on a shared part number.
3020-01-433-8691752-6406847-14POSSIBLE MATCH
LINK,SPLINED
Possible match (shared part number)Naval Sea Systems Command
3040-01-433-8694752-6406847-16POSSIBLE MATCH
GUIDE,MECHANICAL
Possible match (shared part number)Naval Sea Systems Command
3040-01-433-8698752-6406847-15POSSIBLE MATCH
GUIDE,MECHANICAL
Possible match (shared part number)Naval Sea Systems Command
3020-01-433-8701752-6406847-55POSSIBLE MATCH
LINK,SPLINED
Possible match (shared part number)Naval Sea Systems Command
1450-01-442-0374752-6406847-64POSSIBLE MATCH
INSERT,HORIZONTAL,L
Possible match (shared part number)Naval Sea Systems Command
1450-01-442-0386752-6406847-62POSSIBLE MATCH
INSERT,HORIZONTAL,L
Possible match (shared part number)Naval Sea Systems Command
1450-01-442-0396752-6406847-68POSSIBLE MATCH
INSERT,HORIZONTAL,L
Possible match (shared part number)Naval Sea Systems Command
1450-01-451-9307752-6406847 FIND 63POSSIBLE MATCH
INSERT,HORIZONTAL
Possible match (shared part number)Naval Sea Systems Command
C/1Advisory reference — outside the item-of-supply concept
Naval Sea Systems Command
DF1706-433 FN56
5/9Secondary reference
Huntington Ingalls Inc Div Newport News Shipbuilding
6406847
D/9Drawing number reference only
Naval Sea Systems Command
Related Parts
3020-01-433-8691POSSIBLE MATCH
LINK,SPLINED
752-6406847-14
3040-01-433-8694POSSIBLE MATCH
GUIDE,MECHANICAL
752-6406847-16
3040-01-433-8698POSSIBLE MATCH
GUIDE,MECHANICAL
752-6406847-15
3020-01-433-8701POSSIBLE MATCH
LINK,SPLINED
752-6406847-55
1450-01-442-0374POSSIBLE MATCH
INSERT,HORIZONTAL,L
752-6406847-64
1450-01-442-0386POSSIBLE MATCH
INSERT,HORIZONTAL,L
752-6406847-62
1450-01-442-0396POSSIBLE MATCH
INSERT,HORIZONTAL,L
752-6406847-68
1450-01-451-9307POSSIBLE MATCH
INSERT,HORIZONTAL
752-6406847 FIND 63
Frequently Asked Questions
What is NSN 3040-01-433-8332?
NSN 3040-01-433-8332 is a Gearshaft,spur, manufactured by Naval Sea Systems Command, classified under FSC 3040, Miscellaneous Power Transmission Equipment. Status: active.
What part numbers are listed for NSN 3040-01-433-8332?
NSN 3040-01-433-8332 has 1 manufacturer part number on file: 752-6406847-56 (Naval Sea Systems Command).
What NSN replaces 3040-01-433-8332?
8 possible matches (shared part number, not a government interchangeability claim): 3020-01-433-8691, 3040-01-433-8694, 3040-01-433-8698. Verify interchangeability with system specifications before substitution.
What are the specifications of 752-6406847-56?
Key specifications for 752-6406847-56: Shaft Type: SHOULDERED; Shaft Material: NICKEL AND STEEL; Shaft Largest Diameter: 1.498 INCHES NOMINAL IN; Shaft End Size: 1.240 INCHES IN. 13 specifications are documented in the U.S. Government catalog.
Is NSN 3040-01-433-8332 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.