NSN 3040-01-104-9303 — this item is cataloged by the U.S. Government under National Stock Number 3040-01-104-9303. Manufacturer of record part number: 7CA311.
Also searched as3040-01-104-9303 ·
3040011049303 ·
NIIN 011049303 ·
01-104-9303 ·
FSC 3040 Miscellaneous Power Transmission Equipment · CAGE 75Q65 · 7CA311 · 4N938
Second End Grooved Flat Length: 0.8750 INCHES NOMINAL IN
Surface Finish: 1.6 MICROINCHES
Step Quantity: 1
First End Diameter: 0.4130 INCHES NOMINAL IN
First End Flat Depth: 0.1710 INCHES NOMINAL IN
Second End Distance From End to Flat: 0.388 INCHES NOMINAL IN
Second End Diameter: 0.3750 INCHES NOMINAL IN
Identification
NSN: 3040-01-104-9303
NIIN: 011049303
FSC: 3040 — Miscellaneous Power Transmission Equipment
FSG: 30 — Mechanical Power Transmission Equipment
Primary part number: 7CA311
Manufacturer: Oshkosh Defense Llc
General Description
The Shaft,shouldered, cataloged under National Stock Number 3040-01-104-9303, is classified within Federal Supply Class 3040 (Miscellaneous Power Transmission Equipment) of the Mechanical Power Transmission Equipment group. The manufacturer of record is Oshkosh Defense Llc. Government technical data includes 14 specifications, cited from the U.S. Government catalog. The record lists 2 manufacturer part numbers 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
Technical Specifications
Parameter
Value
NSN
3040-01-104-9303
Primary Part Number
7CA311
Item Name
Shaft,shouldered
FSC / FSG
3040 / 30 — Miscellaneous Power Transmission Equipment
Other items in FSC 3040 — Miscellaneous Power Transmission Equipment
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
3040-00-001-0046
3040-00-001-0046 · Item name not on file
3040-00-001-0047
3040-00-001-0047 · Item name not on file
3040-00-001-0048
3040-00-001-0048 · Item name not on file
3040-00-001-0068
3040-00-001-0068 · Item name not on file
3040-00-001-0077
3040-00-001-0077 · Item name not on file
3040-00-001-0078
3040-00-001-0078 · Item name not on file
3040-00-001-0089
3040-00-001-0089 · Item name not on file
3040-00-001-1224
3040-00-001-1224 · Item name not on file
Frequently Asked Questions
What is NSN 3040-01-104-9303?
NSN 3040-01-104-9303 is a Shaft,shouldered, manufactured by Oshkosh Defense Llc, classified under FSC 3040, Miscellaneous Power Transmission Equipment. Status: active.
What part numbers are listed for NSN 3040-01-104-9303?
NSN 3040-01-104-9303 has 2 manufacturer part numbers on file: 7CA311 (Oshkosh Defense Llc), 4N938 (Caterpillar Inc Div Caterpillar Defense).
What are the specifications of 7CA311?
Key specifications for 7CA311: Second End Grooved Flat Length: 0.8750 INCHES NOMINAL IN; Surface Finish: 1.6 MICROINCHES; Step Quantity: 1; First End Diameter: 0.4130 INCHES NOMINAL IN. 14 specifications are documented in the U.S. Government catalog.
Is NSN 3040-01-104-9303 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.