PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

3000231Gear,spider,lower

Oshkosh Defense Llc · NSN 2520-01-523-0414 · FSC 2520 · No Item Name Available
Verified by PartsTable
NSN 2520-01-523-0414 — this item is cataloged by the U.S. Government under National Stock Number 2520-01-523-0414. Primary manufacturer part number: 3000231.
Features
  • Gear,spider,lower — FSC 2520
  • 2 verified cross-references
  • Primary manufacturer: Oshkosh Defense Llc
Applications
  • Power transmission and speed reduction
  • Rotary motion transfer
  • Torque multiplication
General Description

The Gear,spider,lower, cataloged under National Stock Number 2520-01-523-0414, is classified within Federal Supply Class 2520 (No Item Name Available) of the Vehicular Equipment Components group. The primary manufacturer of record is Oshkosh Defense Llc. This item has 2 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 5 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Catalog Facts
Item NameGear,spider,lower
FSC / FSG2520 — No Item Name Available (FSG 25)
ManufacturersOshkosh Defense Llc (CAGE 75Q65); Oshkosh Corp (CAGE 45152)
Technical Specifications
ParameterValue
NSN2520-01-523-0414
Primary Part Number3000231
Item NameGear,spider,lower
FSC / FSG2520 / 25 — No Item Name Available
ManufacturerOshkosh Defense Llc
StatusACTIVE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 5
5310-00-058-0513 INTERCHANGEABLE
Nut,plain,hexagon
6680-01-187-0817300023-1 INTERCHANGEABLE
Velocimeter
Lockheed Martin Sippican, Inc. Div Lockheed Martin Marion
5845-01-215-0409200023-1 INTERCHANGEABLE
Probe,sonar
Lockheed Martin Sippican, Inc. Div Lockheed Martin Marion
5331-01-406-70423000-231 INTERCHANGEABLE
O-Ring
Kepner Products Co Div Kepner Products Company
5330-01-616-4835300023-1 INTERCHANGEABLE
Retainer,packing
Tri-Tec Manufacturing Llc
Cross-Reference Index
Part NumberManufacturer
3000231 PRIMARY Oshkosh Defense Llc (USA)
3000231 Oshkosh Corp (USA)
Related Parts
5310-00-058-0513INTERCHANGEABLE
NUT,PLAIN,HEXAGON
6680-01-187-0817INTERCHANGEABLE
VELOCIMETER
300023-1
5845-01-215-0409INTERCHANGEABLE
PROBE,SONAR
200023-1
5331-01-406-7042INTERCHANGEABLE
O-RING
3000-231
5330-01-616-4835INTERCHANGEABLE
RETAINER,PACKING
300023-1

Frequently Asked Questions

What is NSN 2520-01-523-0414?

NSN 2520-01-523-0414 is a Gear,spider,lower, manufactured by Oshkosh Defense Llc, classified under FSC 2520 (No Item Name Available). Status: active.

What are the part numbers for NSN 2520-01-523-0414?

NSN 2520-01-523-0414 has 2 cross-referenced part numbers: 3000231 (Oshkosh Defense Llc), 3000231 (Oshkosh Corp).

What NSN replaces 2520-01-523-0414?

There are 5 known substitutes for 2520-01-523-0414: 5310-00-058-0513, 6680-01-187-0817, 5845-01-215-0409 and 2 more. Verify interchangeability with system specifications before substitution.

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