PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

DR6Ring Set,piston

Wisconsin Motors, Llc · NSN 2805-00-517-9787 · FSC 2805 · No Item Name Available
Verified by PartsTable
NSN 2805-00-517-9787 — this item is cataloged by the U.S. Government under National Stock Number 2805-00-517-9787. Primary manufacturer part number: DR6.
Features
  • Ring Set,piston — FSC 2805
  • Standard Bore Diameter: 3.000 INCHES IN
  • Ring Set Component Parts: COMPRESSSION RING,DC163,66289,2,COMPRESSION RING,DC163D,66289,1,OIL RING,DC109,66289,1
  • FSC Application Data: GASOLINE ENGINE NONAIRCRAFT
  • Piston Accommodation Quantity: 1
  • 12 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 2805-00-517-9787, 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 4 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 12 commercial cross-references from 8 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
NSN2805-00-517-9787
Primary Part NumberDR6
Item NameRing Set,piston
FSC / FSG2805 / 28 — No Item Name Available
ManufacturerWisconsin Motors, Llc
StatusCANCELLED
Standard Bore Diameter3.000 INCHES IN
Ring Set Component PartsCOMPRESSSION RING,DC163,66289,2,COMPRESSION RING,DC163D,66289,1,OIL RING,DC109,66289,1
FSC Application DataGASOLINE ENGINE NONAIRCRAFT
Piston Accommodation Quantity1
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 12
5120-00-024-0354 INTERCHANGEABLE
Driver Head,valve Seat Ring Inse
5340-00-058-52545143 INTERCHANGEABLE
Seat,helical Compression Spring
Eaton Aerospace, Llc Dba Jackson South
5960-00-074-4833 INTERCHANGEABLE
Electron Tube
5940-00-082-4861 INTERCHANGEABLE
Terminal,stud
3040-00-128-63237036 INTERCHANGEABLE
Collar,shaft
Telemechanics Inc
4220-00-217-59147400-00 INTERCHANGEABLE
Gauge,sea Divers
Aqualung Usa, Inc
5210-00-239-04897036 INTERCHANGEABLE
Rule,multiple Folding
Kaufman Co
6510-00-254-77505143 INTERCHANGEABLE
Adhesive Tape,surgical
Johnson & Johnson Sales and Logistics Company Llc Div Sales and Logistics Company, Llc
3030-00-269-9724 INTERCHANGEABLE
Belt,v
5306-00-285-13680L1143 INTERCHANGEABLE
Bolt,machine
Caterpillar Inc Div Caterpillar Defense
Cross-Reference Index
Part NumberManufacturer
19S12 Spirolox Inc (USA)
DR6A Wisconsin Motors, Llc (USA)
L1143 Mcquay-Norris Inc Oem Div an Skf Industries Co
E3561STD Gould Inc Clevite Engine Parts Div (USA)
DR6E Wisconsin Motors, Llc (USA)
3561 Muskegon Piston Ring Co Muskegon Products Div (USA)
7036 Spx Corp (USA)
DR6 PRIMARY Wisconsin Motors, Llc (USA)
7974018 U S Army Tank Automotive Command Amsta-Im-Mm (USA)
5090X Spx Corp (USA)
5143 Mcquay-Norris Inc Oem Div an Skf Industries Co
70021 Dana Corp Engine Products Div (USA)
Related Parts
5120-00-024-0354INTERCHANGEABLE
DRIVER HEAD,VALVE SEAT RING INSE
5340-00-058-5254INTERCHANGEABLE
SEAT,HELICAL COMPRESSION SPRING
5143
5960-00-074-4833INTERCHANGEABLE
ELECTRON TUBE
5940-00-082-4861INTERCHANGEABLE
TERMINAL,STUD
3040-00-128-6323INTERCHANGEABLE
COLLAR,SHAFT
7036
4220-00-217-5914INTERCHANGEABLE
GAUGE,SEA DIVERS
7400-00
5210-00-239-0489INTERCHANGEABLE
RULE,MULTIPLE FOLDING
7036
6510-00-254-7750INTERCHANGEABLE
ADHESIVE TAPE,SURGICAL
5143
3030-00-269-9724INTERCHANGEABLE
BELT,V
5306-00-285-1368INTERCHANGEABLE
BOLT,MACHINE
0L1143
5340-00-365-2957INTERCHANGEABLE
COVER,ACCESS
5143
2510-00-436-0536INTERCHANGEABLE
LUNETTE END,TRAILER
3512-15

Frequently Asked Questions

What is NSN 2805-00-517-9787?

NSN 2805-00-517-9787 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 2805-00-517-9787?

NSN 2805-00-517-9787 has 12 cross-referenced part numbers: 19S12 (Spirolox Inc), DR6A (Wisconsin Motors, Llc), L1143 (Mcquay-Norris Inc Oem Div an Skf Industries Co), E3561STD (Gould Inc Clevite Engine Parts Div), DR6E (Wisconsin Motors, Llc) and 7 more.

What NSN replaces 2805-00-517-9787?

There are 12 known substitutes for 2805-00-517-9787: 5120-00-024-0354, 5340-00-058-5254, 5960-00-074-4833 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of DR6?

Key specifications for DR6: End Item Identification: GRUMMAN AEROSPACE A-10 ARICRAFT; Standard Bore Diameter: 3.000 INCHES IN; Ring Set Component Parts: COMPRESSSION RING,DC163,66289,2,COMPRESSION RING,DC163D,66289,1,OIL RING,DC109,66289,1; FSC Application Data: GASOLINE ENGINE NONAIRCRAFT. 5 total characteristics are documented in the Federal Logistics Information System.

Is NSN 2805-00-517-9787 still in active supply?

NSN 2805-00-517-9787 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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