PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

21373-2Shaft,shouldered

Eaton Corporation Div Eaton Fluid Power · NSN 3040-01-309-0833 · FSC 3040 · No Item Name Available
Verified by PartsTable
NSN 3040-01-309-0833 — this item is cataloged by the U.S. Government under National Stock Number 3040-01-309-0833. Primary manufacturer part number: 21373-2.
Features
  • Shaft,shouldered — FSC 3040
  • 2 verified cross-references
  • Primary manufacturer: Eaton Corporation Div Eaton Fluid Power
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Shaft,shouldered, cataloged under National Stock Number 3040-01-309-0833, is classified within Federal Supply Class 3040 (No Item Name Available) of the Mechanical Power Transmission Equipment group. The primary manufacturer of record is Eaton Corporation Div Eaton Fluid Power. This item has 2 commercial cross-references from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 1 verified substitute exists in the FLIS interchangeability database. Current acquisition status: Active.

Catalog Facts
Item NameShaft,shouldered
FSC / FSG3040 — No Item Name Available (FSG 30)
ManufacturersEaton Corporation Div Eaton Fluid Power (CAGE 96151)
Technical Specifications
ParameterValue
NSN3040-01-309-0833
Primary Part Number21373-2
Item NameShaft,shouldered
FSC / FSG3040 / 30 — No Item Name Available
ManufacturerEaton Corporation Div Eaton Fluid Power
StatusACTIVE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 1
5110-01-473-969785092 INTERCHANGEABLE
Chisel,bull Point,hand
Mayhew Steel Products Inc
Cross-Reference Index
Part NumberManufacturer
8509-2 Eaton Corporation Div Eaton Fluid Power (USA)
21373-2 PRIMARY Eaton Corporation Div Eaton Fluid Power (USA)
Related Parts
5110-01-473-9697INTERCHANGEABLE
CHISEL,BULL POINT,HAND
85092

Frequently Asked Questions

What is NSN 3040-01-309-0833?

NSN 3040-01-309-0833 is a Shaft,shouldered, manufactured by Eaton Corporation Div Eaton Fluid Power, classified under FSC 3040 (No Item Name Available). Status: active.

What are the part numbers for NSN 3040-01-309-0833?

NSN 3040-01-309-0833 has 2 cross-referenced part numbers: 8509-2 (Eaton Corporation Div Eaton Fluid Power), 21373-2 (Eaton Corporation Div Eaton Fluid Power).

What NSN replaces 3040-01-309-0833?

There is 1 known substitute for 3040-01-309-0833: 5110-01-473-9697. Verify interchangeability with system specifications before substitution.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
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