PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

66843Gear Set,matched

Eaton Corp Axle Div · NSN 2520-00-570-7297 · FSC 2520 · No Item Name Available
Verified by PartsTable
NSN 2520-00-570-7297 — this item is cataloged by the U.S. Government under National Stock Number 2520-00-570-7297. Primary manufacturer part number: 66843.
Features
  • Gear Set,matched — FSC 2520
  • 5 verified cross-references
  • Primary manufacturer: Eaton Corp Axle Div
Applications
  • Power transmission and speed reduction
  • Rotary motion transfer
  • Torque multiplication
General Description

The Gear Set,matched, cataloged under National Stock Number 2520-00-570-7297, is classified within Federal Supply Class 2520 (No Item Name Available) of the Vehicular Equipment Components group. The primary manufacturer of record is Eaton Corp Axle Div. This item has 5 commercial cross-references from 5 manufacturers, enabling identification through both NSN and commercial part number lookups. 2 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Catalog Facts
Item NameGear Set,matched
FSC / FSG2520 — No Item Name Available (FSG 25)
ManufacturersEaton Corp Axle Div (CAGE 81142); United States Ceramic Tile Co (CAGE 18875); Military Vehicles Opn General Motors Truck and Bus Group Ms 2603-02 (CAGE 23862); General Motors Corp (CAGE 24617); General Motors Llc Dba General Motors Llc (CAGE 7X677)
Technical Specifications
ParameterValue
NSN2520-00-570-7297
Primary Part Number66843
Item NameGear Set,matched
FSC / FSG2520 / 25 — No Item Name Available
ManufacturerEaton Corp Axle Div
StatusCANCELLED
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 2
5305-00-017-1354 INTERCHANGEABLE
Screw,tapping
5330-01-177-821466843 INTERCHANGEABLE
Gasket
Tractech Inc
Cross-Reference Index
Part NumberManufacturer
66843 Eaton Corp Axle Div (USA)
66843 United States Ceramic Tile Co (USA)
2492735 Military Vehicles Opn General Motors Truck and Bus Group Ms 2603-02 (USA)
2492735 General Motors Corp (USA)
2492735 General Motors Llc Dba General Motors Llc (USA)
Related Parts
5305-00-017-1354INTERCHANGEABLE
SCREW,TAPPING
5330-01-177-8214INTERCHANGEABLE
GASKET
66843

Frequently Asked Questions

What is NSN 2520-00-570-7297?

NSN 2520-00-570-7297 is a Gear Set,matched, manufactured by Eaton Corp Axle Div, classified under FSC 2520 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 2520-00-570-7297?

NSN 2520-00-570-7297 has 5 cross-referenced part numbers: 66843 (Eaton Corp Axle Div), 66843 (United States Ceramic Tile Co), 2492735 (Military Vehicles Opn General Motors Truck and Bus Group Ms 2603-02), 2492735 (General Motors Corp), 2492735 (General Motors Llc Dba General Motors Llc).

What NSN replaces 2520-00-570-7297?

There are 2 known substitutes for 2520-00-570-7297: 5305-00-017-1354, 5330-01-177-8214. Verify interchangeability with system specifications before substitution.

Is NSN 2520-00-570-7297 still in active supply?

NSN 2520-00-570-7297 is currently cancelled. Check with the Defense Logistics Agency for current availability and authorized substitutes.

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