PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

231997R1Shaft,idler Gear

Navistar Intl Corp Truck Br Ohio Plant · NSN 2520-00-873-2929 · FSC 2520 · No Item Name Available
Verified by PartsTable
NSN 2520-00-873-2929 — this item is cataloged by the U.S. Government under National Stock Number 2520-00-873-2929. Primary manufacturer part number: 231997R1.
Features
  • Shaft,idler Gear — FSC 2520
  • 3 verified cross-references
  • Primary manufacturer: Navistar Intl Corp Truck Br Ohio Plant
Applications
  • Power transmission and speed reduction
  • Rotary motion transfer
  • Torque multiplication
General Description

The Shaft,idler Gear, cataloged under National Stock Number 2520-00-873-2929, is classified within Federal Supply Class 2520 (No Item Name Available) of the Vehicular Equipment Components group. The primary manufacturer of record is Navistar Intl Corp Truck Br Ohio Plant. This item has 3 commercial cross-references from 3 manufacturers, enabling identification through both NSN and commercial part number lookups. 2 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Catalog Facts
Item NameShaft,idler Gear
FSC / FSG2520 — No Item Name Available (FSG 25)
ManufacturersNavistar Intl Corp Truck Br Ohio Plant (CAGE 89346); New Venture Gear Inc New Process Gear Div (CAGE 76760); General Motors Corp (CAGE 24617)
Technical Specifications
ParameterValue
NSN2520-00-873-2929
Primary Part Number231997R1
Item NameShaft,idler Gear
FSC / FSG2520 / 25 — No Item Name Available
ManufacturerNavistar Intl Corp Truck Br Ohio Plant
StatusACTIVE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 2
5120-01-429-6689 INTERCHANGEABLE
Crowfoot Attachment Set,socket W
5305-01-533-526412759-00325 INTERCHANGEABLE
Screw,cap,hexagon Head
Fastenal Company Dba Fastenal Co
Cross-Reference Index
Part NumberManufacturer
231997R1 PRIMARY Navistar Intl Corp Truck Br Ohio Plant (USA)
94363 New Venture Gear Inc New Process Gear Div (USA)
94363 General Motors Corp (USA)
Related Parts
5120-01-429-6689INTERCHANGEABLE
CROWFOOT ATTACHMENT SET,SOCKET W
5305-01-533-5264INTERCHANGEABLE
SCREW,CAP,HEXAGON HEAD
12759-00325

Frequently Asked Questions

What is NSN 2520-00-873-2929?

NSN 2520-00-873-2929 is a Shaft,idler Gear, manufactured by Navistar Intl Corp Truck Br Ohio Plant, classified under FSC 2520 (No Item Name Available). Status: active.

What are the part numbers for NSN 2520-00-873-2929?

NSN 2520-00-873-2929 has 3 cross-referenced part numbers: 231997R1 (Navistar Intl Corp Truck Br Ohio Plant), 94363 (New Venture Gear Inc New Process Gear Div), 94363 (General Motors Corp).

What NSN replaces 2520-00-873-2929?

There are 2 known substitutes for 2520-00-873-2929: 5120-01-429-6689, 5305-01-533-5264. Verify interchangeability with system specifications before substitution.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com