PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

DR3Ring Set,piston

Wisconsin Motors, Llc · NSN 2805-00-516-9459 · FSC 2805 · No Item Name Available
Verified by PartsTable
NSN 2805-00-516-9459 — this item is cataloged by the U.S. Government under National Stock Number 2805-00-516-9459. Primary manufacturer part number: DR3.
Features
  • Ring Set,piston — FSC 2805
  • Standard Bore Diameter: 2.500 INCHES IN
  • Ring Set Component Parts: COMPRESSION RING,DC155,66289,2,OIL RING,DC157,66289,1,SCRAPER @RING,DC155-1,66289,1
  • Piston Accommodation Quantity: 1
  • 7 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 2805-00-516-9459, 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 7 commercial cross-references from 7 manufacturers, enabling identification through both NSN and commercial part number lookups. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN2805-00-516-9459
Primary Part NumberDR3
Item NameRing Set,piston
FSC / FSG2805 / 28 — No Item Name Available
ManufacturerWisconsin Motors, Llc
StatusCANCELLED
Standard Bore Diameter2.500 INCHES IN
Ring Set Component PartsCOMPRESSION RING,DC155,66289,2,OIL RING,DC157,66289,1,SCRAPER @RING,DC155-1,66289,1
Piston Accommodation Quantity1
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 12
2815-00-064-788829128 INTERCHANGEABLE
Cylinder Head,diesel Engine
Napco International Llc Dba Napco International Inc
6920-00-076-0299 INTERCHANGEABLE
Turbine,tow Target
6645-00-099-6913 INTERCHANGEABLE
Timer,interval
3110-00-142-0908161-0071 INTERCHANGEABLE
Bearing,ball,annular
Cummins Power Generation Inc.
5950-00-155-051361660-021 INTERCHANGEABLE
Transformer,audio Frequency
Dynalec Corporation
4210-00-245-11177077 INTERCHANGEABLE
Bracket,fire Extinguisher
Tyco Fire Products Lp
5330-00-297-5151 INTERCHANGEABLE
Gasket
2915-00-440-654270204 INTERCHANGEABLE
Parts Kit Valve
Meggitt North Hollywood Inc
5930-00-476-63012587064 INTERCHANGEABLE
Switch,pressure
Naval Ship Systems Command
5930-00-489-6979 INTERCHANGEABLE
Switch,toggle
Cross-Reference Index
Part NumberManufacturer
70S24 Spirolox Inc (USA)
42737 Mcquay-Norris Inc Oem Div an Skf Industries Co
7109 Gould Inc Clevite Engine Parts Div (USA)
DR3 PRIMARY Wisconsin Motors, Llc (USA)
7109 Muskegon Piston Ring Co Muskegon Products Div (USA)
70204 Dana Corp Engine Products Div (USA)
7077 Spx Corp (USA)
Related Parts
2815-00-064-7888INTERCHANGEABLE
CYLINDER HEAD,DIESEL ENGINE
29128
6920-00-076-0299INTERCHANGEABLE
TURBINE,TOW TARGET
6645-00-099-6913INTERCHANGEABLE
TIMER,INTERVAL
3110-00-142-0908INTERCHANGEABLE
BEARING,BALL,ANNULAR
161-0071
5950-00-155-0513INTERCHANGEABLE
TRANSFORMER,AUDIO FREQUENCY
61660-021
4210-00-245-1117INTERCHANGEABLE
BRACKET,FIRE EXTINGUISHER
7077
5330-00-297-5151INTERCHANGEABLE
GASKET
2915-00-440-6542INTERCHANGEABLE
PARTS KIT VALVE
70204
5930-00-476-6301INTERCHANGEABLE
SWITCH,PRESSURE
2587064
5930-00-489-6979INTERCHANGEABLE
SWITCH,TOGGLE
4730-00-499-9837INTERCHANGEABLE
PLUG,PIPE
16F08
5975-00-578-2230INTERCHANGEABLE
CONDUIT OUTLET

Frequently Asked Questions

What is NSN 2805-00-516-9459?

NSN 2805-00-516-9459 is a Ring Set,piston, manufactured by Wisconsin Motors, Llc, classified under FSC 2805 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 2805-00-516-9459?

NSN 2805-00-516-9459 has 7 cross-referenced part numbers: 70S24 (Spirolox Inc), 42737 (Mcquay-Norris Inc Oem Div an Skf Industries Co), 7109 (Gould Inc Clevite Engine Parts Div), DR3 (Wisconsin Motors, Llc), 7109 (Muskegon Piston Ring Co Muskegon Products Div) and 2 more.

What NSN replaces 2805-00-516-9459?

There are 12 known substitutes for 2805-00-516-9459: 2815-00-064-7888, 6920-00-076-0299, 6645-00-099-6913 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of DR3?

Key specifications for DR3: Standard Bore Diameter: 2.500 INCHES IN; Ring Set Component Parts: COMPRESSION RING,DC155,66289,2,OIL RING,DC157,66289,1,SCRAPER @RING,DC155-1,66289,1; Piston Accommodation Quantity: 1. 3 total characteristics are documented in the Federal Logistics Information System.

Is NSN 2805-00-516-9459 still in active supply?

NSN 2805-00-516-9459 is currently cancelled. Check with the Defense Logistics Agency for current availability and authorized substitutes.

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