PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

DR25Ring Set,piston

Wisconsin Motors, Llc · NSN 2805-01-023-5320 · FSC 2805 · No Item Name Available
Verified by PartsTable
NSN 2805-01-023-5320 — this item is cataloged by the U.S. Government under National Stock Number 2805-01-023-5320. Primary manufacturer part number: DR25.
Features
  • Ring Set,piston — FSC 2805
  • Standard Bore Diameter: 3.250 INCHES IN
  • Ring Set Component Parts: COMPRESSION RING,DC-170,66289,1; COMPRESSION RING,DC-171,66289,1; OIL RING,DC-172,66289,1
  • Piston Accommodation Quantity: 1
  • 1 verified cross-reference
  • 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 2805-01-023-5320, 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 1 commercial cross-reference from 1 manufacturer, 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
NSN2805-01-023-5320
Primary Part NumberDR25
Item NameRing Set,piston
FSC / FSG2805 / 28 — No Item Name Available
ManufacturerWisconsin Motors, Llc
StatusACTIVE
Standard Bore Diameter3.250 INCHES IN
Ring Set Component PartsCOMPRESSION RING,DC-170,66289,1; COMPRESSION RING,DC-171,66289,1; OIL RING,DC-172,66289,1
Piston Accommodation Quantity1
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 2
5910-00-644-62043118585 INTERCHANGEABLE
Capacitor,fixed,paper Dielectric
Chrysler Corp Engine and Components Sales Diversified Products Div
5970-01-016-1228DR-25-1-0-SP INTERCHANGEABLE
Insulation Sleeving,electrical
Te Connectivity Corporation Dba Raychem Product Division
Cross-Reference Index
Part NumberManufacturer
DR25 PRIMARY Wisconsin Motors, Llc (USA)
Related Parts
5910-00-644-6204INTERCHANGEABLE
CAPACITOR,FIXED,PAPER DIELECTRIC
3118585
5970-01-016-1228INTERCHANGEABLE
INSULATION SLEEVING,ELECTRICAL
DR-25-1-0-SP

Frequently Asked Questions

What is NSN 2805-01-023-5320?

NSN 2805-01-023-5320 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 2805-01-023-5320?

NSN 2805-01-023-5320 has 1 cross-referenced part number: DR25 (Wisconsin Motors, Llc).

What NSN replaces 2805-01-023-5320?

There are 2 known substitutes for 2805-01-023-5320: 5910-00-644-6204, 5970-01-016-1228. Verify interchangeability with system specifications before substitution.

What are the specifications of DR25?

Key specifications for DR25: Standard Bore Diameter: 3.250 INCHES IN; Ring Set Component Parts: COMPRESSION RING,DC-170,66289,1; COMPRESSION RING,DC-171,66289,1; OIL RING,DC-172,66289,1; Piston Accommodation Quantity: 1. 3 total characteristics are documented in the Federal Logistics Information System.

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