PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

DR59Ring Set,piston

Wisconsin Motors, Llc · NSN 2805-00-441-4209 · FSC 2805 · No Item Name Available
Verified by PartsTable
NSN 2805-00-441-4209 — this item is cataloged by the U.S. Government under National Stock Number 2805-00-441-4209. Primary manufacturer part number: DR59.
Features
  • Ring Set,piston — FSC 2805
  • Standard Bore Diameter: 3.562 INCHES IN
  • Piston Accommodation Quantity: 1
  • Ring Set Component Parts: BOTTOM RING,1 EA OIL RING,2 EA RAIL RING,1 EA SPRING,2ND RING,1 EA COMPRESSION RING,1 EA RAIL,1 EA SPRING,TOP RING,1 EA COMPRESSION RING
  • 2 verified cross-references
  • Primary manufacturer: Wisconsin Motors, Llc
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Ring Set,piston, cataloged under National Stock Number 2805-00-441-4209, is classified within Federal Supply Class 2805 (No Item Name Available) of the Engines, Turbines, and Components group. The primary manufacturer of record is Wisconsin Motors, Llc. Government technical data includes 3 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 2 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 2 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN2805-00-441-4209
Primary Part NumberDR59
Item NameRing Set,piston
FSC / FSG2805 / 28 — No Item Name Available
ManufacturerWisconsin Motors, Llc
StatusACTIVE
Standard Bore Diameter3.562 INCHES IN
Piston Accommodation Quantity1
Ring Set Component PartsBOTTOM RING,1 EA OIL RING,2 EA RAIL RING,1 EA SPRING,2ND RING,1 EA COMPRESSION RING,1 EA RAIL,1 EA SPRING,TOP RING,1 EA COMPRESSION RING
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 2
5905-00-408-9334 INTERCHANGEABLE
Resistor,fixed,film
2920-01-390-4668DR59 INTERCHANGEABLE
Rotor,ignition Distributor
Standard Motor Products
Cross-Reference Index
Part NumberManufacturer
DR59 PRIMARY Wisconsin Motors, Llc (USA)
7204364 Rolls-Royce Solutions America Inc (USA)
Related Parts
5905-00-408-9334INTERCHANGEABLE
RESISTOR,FIXED,FILM
2920-01-390-4668INTERCHANGEABLE
ROTOR,IGNITION DISTRIBUTOR
DR59

Frequently Asked Questions

What is NSN 2805-00-441-4209?

NSN 2805-00-441-4209 is a Ring Set,piston, manufactured by Wisconsin Motors, Llc, classified under FSC 2805 (No Item Name Available). Status: active.

What are the part numbers for NSN 2805-00-441-4209?

NSN 2805-00-441-4209 has 2 cross-referenced part numbers: DR59 (Wisconsin Motors, Llc), 7204364 (Rolls-Royce Solutions America Inc).

What NSN replaces 2805-00-441-4209?

There are 2 known substitutes for 2805-00-441-4209: 5905-00-408-9334, 2920-01-390-4668. Verify interchangeability with system specifications before substitution.

What are the specifications of DR59?

Key specifications for DR59: Standard Bore Diameter: 3.562 INCHES IN; Piston Accommodation Quantity: 1; Ring Set Component Parts: BOTTOM RING,1 EA OIL RING,2 EA RAIL RING,1 EA SPRING,2ND RING,1 EA COMPRESSION RING,1 EA RAIL,1 EA SPRING,TOP RING,1 EA COMPRESSION RING. 3 total characteristics are documented in the Federal Logistics Information System.

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