PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

202234BRoller,freewheel

Twin Disc, Incorporated Dba Twin Disc Mid-Atlantic · NSN 2520-00-470-9878 · FSC 2520 · No Item Name Available
Verified by PartsTable
NSN 2520-00-470-9878 — this item is cataloged by the U.S. Government under National Stock Number 2520-00-470-9878. Primary manufacturer part number: 202234B.
Features
  • Roller,freewheel — FSC 2520
  • 2 verified cross-references
  • Primary manufacturer: Twin Disc, Incorporated Dba Twin Disc Mid-Atlantic
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Roller,freewheel, cataloged under National Stock Number 2520-00-470-9878, is classified within Federal Supply Class 2520 (No Item Name Available) of the Vehicular Equipment Components group. The primary manufacturer of record is Twin Disc, Incorporated Dba Twin Disc Mid-Atlantic. This item has 2 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 3 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Catalog Facts
Item NameRoller,freewheel
FSC / FSG2520 — No Item Name Available (FSG 25)
ManufacturersTiffin Parts, L.l.c. Div Subsidiary of Pettibone Corp. (CAGE 13841); Twin Disc, Incorporated Dba Twin Disc Mid-Atlantic (CAGE 61208)
Technical Specifications
ParameterValue
NSN2520-00-470-9878
Primary Part Number202234B
Item NameRoller,freewheel
FSC / FSG2520 / 25 — No Item Name Available
ManufacturerTwin Disc, Incorporated Dba Twin Disc Mid-Atlantic
StatusACTIVE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 3
5331-00-599-6577123828 INTERCHANGEABLE
O-Ring
Eaton Aerospace, Llc Dba Jackson South
5940-00-815-48252759TERMINAL INTERCHANGEABLE
Terminal,lug
Halsit Holdings Llc Div Halsit Holdings, Llc Dba Abbatron
1560-01-706-714634160-203 INTERCHANGEABLE
Pylon,aircraft
Systima Technologies Inc
Cross-Reference Index
Part NumberManufacturer
34160 Tiffin Parts, L.l.c. Div Subsidiary of Pettibone Corp. (USA)
202234B PRIMARY Twin Disc, Incorporated Dba Twin Disc Mid-Atlantic (USA)
Related Parts
5331-00-599-6577INTERCHANGEABLE
O-RING
123828
5940-00-815-4825INTERCHANGEABLE
TERMINAL,LUG
2759TERMINAL
1560-01-706-7146INTERCHANGEABLE
PYLON,AIRCRAFT
34160-203

Frequently Asked Questions

What is NSN 2520-00-470-9878?

NSN 2520-00-470-9878 is a Roller,freewheel, manufactured by Twin Disc, Incorporated Dba Twin Disc Mid-Atlantic, classified under FSC 2520 (No Item Name Available). Status: active.

What are the part numbers for NSN 2520-00-470-9878?

NSN 2520-00-470-9878 has 2 cross-referenced part numbers: 34160 (Tiffin Parts, L.l.c. Div Subsidiary of Pettibone Corp.), 202234B (Twin Disc, Incorporated Dba Twin Disc Mid-Atlantic).

What NSN replaces 2520-00-470-9878?

There are 3 known substitutes for 2520-00-470-9878: 5331-00-599-6577, 5940-00-815-4825, 1560-01-706-7146. Verify interchangeability with system specifications before substitution.

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