PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

22851Gear and Shaft

Eaton Corporation · NSN 2520-00-164-5456 · FSC 2520 · No Item Name Available
Verified by PartsTable
NSN 2520-00-164-5456 — this item is cataloged by the U.S. Government under National Stock Number 2520-00-164-5456. Primary manufacturer part number: 22851.
Features
  • Gear and Shaft — FSC 2520
  • 5 verified cross-references
  • Primary manufacturer: Eaton Corporation
Applications
  • Power transmission and speed reduction
  • Rotary motion transfer
  • Torque multiplication
General Description

The Gear and Shaft, cataloged under National Stock Number 2520-00-164-5456, is classified within Federal Supply Class 2520 (No Item Name Available) of the Vehicular Equipment Components group. The primary manufacturer of record is Eaton Corporation. This item has 5 commercial cross-references from 4 manufacturers, enabling identification through both NSN and commercial part number lookups. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Catalog Facts
Item NameGear and Shaft
FSC / FSG2520 — No Item Name Available (FSG 25)
ManufacturersGeneral Motors Llc Dba General Motors Llc (CAGE 7X677); Terex Corp (CAGE 97907); General Motors Corp (CAGE 24617); Eaton Corporation (CAGE 81118)
Technical Specifications
ParameterValue
NSN2520-00-164-5456
Primary Part Number22851
Item NameGear and Shaft
FSC / FSG2520 / 25 — No Item Name Available
ManufacturerEaton Corporation
StatusACTIVE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 12
5340-00-307-149721265 INTERCHANGEABLE
Plug,protective,dust and Moistur
Whirlpool Corp Dba Whirlpool Corp
5330-00-839-2851BA3957 INTERCHANGEABLE
Gasket
Stillman Seal Corporation Div Stillman Seal Corperation
5985-00-993-52752285-1 INTERCHANGEABLE
Antenna
Axillon Aerospace (baltimore) Inc.
6240-01-017-73224017 INTERCHANGEABLE
Lamp,incandescent
Lamp Industry for Use with Industry Designations and Abbreviations for Lamps
2910-01-198-086822851 INTERCHANGEABLE
Cover,governor Control
Stanadyne Corporation Dba Stanadyne Diesel Systems Div Diesel Systems
5330-01-224-806540168 INTERCHANGEABLE
Gasket
Lubriquip Inc Dba Lubriquip, Inc., a Unit of Idex
4810-01-264-933781006 INTERCHANGEABLE
Valve,regulating,fluid Pressure
Mark Industries
2990-01-309-229722851 INTERCHANGEABLE
Muffler,exhaust-Intake
Walker Mfg Co
5330-01-458-251140171 INTERCHANGEABLE
Gasket
Curtiss-Wright Electro-Mechanical Corporation Dba Curtiss-Wright Steam and Air Solutions Div Steam and Air Solutions
5340-01-478-9339 INTERCHANGEABLE
Extension Handle
Cross-Reference Index
Part NumberManufacturer
21265 General Motors Llc Dba General Motors Llc (USA)
21265 Terex Corp (USA)
40171 Terex Corp (USA)
21265 General Motors Corp (USA)
22851 PRIMARY Eaton Corporation (USA)
Related Parts
5340-00-307-1497INTERCHANGEABLE
PLUG,PROTECTIVE,DUST AND MOISTUR
21265
5330-00-839-2851INTERCHANGEABLE
GASKET
BA3957
5985-00-993-5275INTERCHANGEABLE
ANTENNA
2285-1
6240-01-017-7322INTERCHANGEABLE
LAMP,INCANDESCENT
4017
2910-01-198-0868INTERCHANGEABLE
COVER,GOVERNOR CONTROL
22851
5330-01-224-8065INTERCHANGEABLE
GASKET
40168
4810-01-264-9337INTERCHANGEABLE
VALVE,REGULATING,FLUID PRESSURE
81006
2990-01-309-2297INTERCHANGEABLE
MUFFLER,EXHAUST-INTAKE
22851
5330-01-458-2511INTERCHANGEABLE
GASKET
40171
5340-01-478-9339INTERCHANGEABLE
EXTENSION HANDLE
1680-01-483-7720INTERCHANGEABLE
SPOOL STOP
21265
5310-01-549-7708INTERCHANGEABLE
NUT,SELF-LOCKING,HEXAGON
40171

Frequently Asked Questions

What is NSN 2520-00-164-5456?

NSN 2520-00-164-5456 is a Gear and Shaft, manufactured by Eaton Corporation, classified under FSC 2520 (No Item Name Available). Status: active.

What are the part numbers for NSN 2520-00-164-5456?

NSN 2520-00-164-5456 has 5 cross-referenced part numbers: 21265 (General Motors Llc Dba General Motors Llc), 21265 (Terex Corp), 40171 (Terex Corp), 21265 (General Motors Corp), 22851 (Eaton Corporation).

What NSN replaces 2520-00-164-5456?

There are 12 known substitutes for 2520-00-164-5456: 5340-00-307-1497, 5330-00-839-2851, 5985-00-993-5275 and 9 more. Verify interchangeability with system specifications before substitution.

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