PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

110372Gear and Pinion Set

Eaton Corporation · NSN 2520-00-120-2131 · FSC 2520 · No Item Name Available
Verified by PartsTable
NSN 2520-00-120-2131 — this item is cataloged by the U.S. Government under National Stock Number 2520-00-120-2131. Primary manufacturer part number: 110372.
Features
  • Gear and Pinion Set — FSC 2520
  • 4 verified cross-references
  • Primary manufacturer: Eaton Corporation
Applications
  • Power transmission and speed reduction
  • Rotary motion transfer
  • Torque multiplication
General Description

The Gear and Pinion Set, cataloged under National Stock Number 2520-00-120-2131, 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 4 commercial cross-references from 4 manufacturers, enabling identification through both NSN and commercial part number lookups. 7 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Catalog Facts
Item NameGear and Pinion Set
FSC / FSG2520 — No Item Name Available (FSG 25)
ManufacturersEaton Corporation (CAGE 81118); Navistar Intl Corp Melrose Park Engine Plant Location /melrose Park/ (CAGE 92679); Eaton Corp Axle Div (CAGE 81142); Navistar Intl Corp Truck Br Ohio Plant (CAGE 89346)
Technical Specifications
ParameterValue
NSN2520-00-120-2131
Primary Part Number110372
Item NameGear and Pinion Set
FSC / FSG2520 / 25 — No Item Name Available
ManufacturerEaton Corporation
StatusACTIVE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 7
3110-00-198-163855503 INTERCHANGEABLE
Bearing,ball,annular
General Motors Corp
3110-00-555-5380 INTERCHANGEABLE
Bearing,ball,annular
3040-00-652-4190SM-B-187084 INTERCHANGEABLE
Bracket,eye,nonrotating Shaft
Us Army Communications & Electronics Materiel Readiness Command Logistics Engineering Dir
5905-00-666-3008 INTERCHANGEABLE
Resistor,fixed,wire Wound
5355-00-687-2917MS91528-3D2B INTERCHANGEABLE
Knob
National Aerospace Standards Committee Aerospace Industries Association of America Inc Not for Rfq or Solicitation Use
7220-01-101-122251899 INTERCHANGEABLE
Tile,vinyl Resin
Astra Flooring Co
5360-01-229-8437 INTERCHANGEABLE
Spring,helical,torsion
Cross-Reference Index
Part NumberManufacturer
110372 PRIMARY Eaton Corporation (USA)
372372C91 Navistar Intl Corp Melrose Park Engine Plant Location /melrose Park/ (USA)
55503 Eaton Corp Axle Div (USA)
372372C91 Navistar Intl Corp Truck Br Ohio Plant (USA)
Related Parts
3110-00-198-1638INTERCHANGEABLE
BEARING,BALL,ANNULAR
55503
3110-00-555-5380INTERCHANGEABLE
BEARING,BALL,ANNULAR
3040-00-652-4190INTERCHANGEABLE
BRACKET,EYE,NONROTATING SHAFT
SM-B-187084
5905-00-666-3008INTERCHANGEABLE
RESISTOR,FIXED,WIRE WOUND
5355-00-687-2917INTERCHANGEABLE
KNOB
MS91528-3D2B
7220-01-101-1222INTERCHANGEABLE
TILE,VINYL RESIN
51899
5360-01-229-8437INTERCHANGEABLE
SPRING,HELICAL,TORSION

Frequently Asked Questions

What is NSN 2520-00-120-2131?

NSN 2520-00-120-2131 is a Gear and Pinion Set, manufactured by Eaton Corporation, classified under FSC 2520 (No Item Name Available). Status: active.

What are the part numbers for NSN 2520-00-120-2131?

NSN 2520-00-120-2131 has 4 cross-referenced part numbers: 110372 (Eaton Corporation), 372372C91 (Navistar Intl Corp Melrose Park Engine Plant Location /melrose Park/), 55503 (Eaton Corp Axle Div), 372372C91 (Navistar Intl Corp Truck Br Ohio Plant).

What NSN replaces 2520-00-120-2131?

There are 7 known substitutes for 2520-00-120-2131: 3110-00-198-1638, 3110-00-555-5380, 3040-00-652-4190 and 4 more. Verify interchangeability with system specifications before substitution.

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