PartsTable TECHNICAL DATA SHEET
NSN 2805-00-200-0152Government record, cited

Piston, Internal Combustion Engin2805-00-200-0152

NSN 2805-00-200-0152 · NIIN 002000152 · Part number DB184AS20
Wisconsin Motors, Llc · FSC 2805 — Gasoline Reciprocating Engines, Except Aircraft; and Components · FSG 28 — Engines, Turbines, and Components · CAGE 66289
Government record, cited
NSN 2805-00-200-0152 — this item is cataloged by the U.S. Government under National Stock Number 2805-00-200-0152. Manufacturer of record part number: DB184AS20.
Also searched as  2805-00-200-0152 · 2805002000152 · NIIN 002000152 · 00-200-0152 · FSC 2805 Gasoline Reciprocating Engines, Except Aircraft; and Components · CAGE 66289 · DB184AS20
Nearby stock numbers  ·
Features
  • Piston,internal Combustion Engin — FSC 2805
  • Carbon Groove: NOT INCLUDED
  • Ring Groove Width: 0.1890 INCHES MINIMUM AND 0.1900 INCHES MAXIMUM FOURTH RING IN
  • Ring Groove Width: 0.0945 INCHES MINIMUM AND 0.0955 INCHES MAXIMUM SECOND RING IN
  • Ring Groove Width: 0.0955 INCHES MINIMUM AND 0.0965 INCHES MAXIMUM FIRST RING IN
  • Ring Groove Width: 0.0945 INCHES MINIMUM AND 0.0955 INCHES MAXIMUM THIRD RING IN
  • Distance Between Pin Bosses: 1.000 INCHES NOMINAL IN
  • Retaining Ring Groove: INCLUDED
Identification
  • NSN: 2805-00-200-0152
  • NIIN: 002000152
  • FSC: 2805 — Gasoline Reciprocating Engines, Except Aircraft; and Components
  • FSG: 28 — Engines, Turbines, and Components
  • Primary part number: DB184AS20
  • Manufacturer: Wisconsin Motors, Llc
General Description

The Piston,internal Combustion Engin, cataloged under National Stock Number 2805-00-200-0152, is classified within Federal Supply Class 2805 (Gasoline Reciprocating Engines, Except Aircraft; and Components) of the Engines, Turbines, and Components group. The manufacturer of record is Wisconsin Motors, Llc. Government technical data includes 28 specifications, cited from the U.S. Government catalog. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN2805-00-200-0152
Primary Part NumberDB184AS20
Item NamePiston,internal Combustion Engin
FSC / FSG2805 / 28 — Gasoline Reciprocating Engines, Except Aircraft; and Components
ManufacturerWisconsin Motors, Llc
StatusACTIVE
Carbon GrooveNOT INCLUDED
Ring Groove Width0.1890 INCHES MINIMUM AND 0.1900 INCHES MAXIMUM FOURTH RING IN
Ring Groove Width0.0945 INCHES MINIMUM AND 0.0955 INCHES MAXIMUM SECOND RING IN
Ring Groove Width0.0955 INCHES MINIMUM AND 0.0965 INCHES MAXIMUM FIRST RING IN
Ring Groove Width0.0945 INCHES MINIMUM AND 0.0955 INCHES MAXIMUM THIRD RING IN
Distance Between Pin Bosses1.000 INCHES NOMINAL IN
Retaining Ring GrooveINCLUDED
Surface FinishFINISHED
Oil Passage TypeHOLE LOCATION NOT OTHERWISE SPECIFIED
Diameter2.500 INCHES NOMINAL IN
Ring Groove Diameter2.185 INCHES MINIMUM AND 2.195 INCHES MAXIMUM FOURTH RING IN
Ring Groove Diameter2.225 INCHES MINIMUM AND 2.235 INCHES MAXIMUM FIRST RING IN
Ring Groove Diameter2.225 INCHES MINIMUM AND 2.235 INCHES MAXIMUM SECOND RING IN
Ring Groove Diameter2.225 INCHES MINIMUM AND 2.235 INCHES MAXIMUM THIRD RING IN
Distance From Pin Hole Center to Extreme Top1.373 INCHES MINIMUM AND 1.377 INCHES MAXIMUM IN
PinNOT INCLUDED
Pin Type for Which DesignedFLOATING
Oil GrooveNOT INCLUDED
Head StyleFLAT
Ring Groove Quantity4
Oversize0.020 INCHES NOMINAL IN
Skirt Bottom Cutaway FeatureNOT INCLUDED
Finished Size DesignationOVERSIZE
RingNOT INCLUDED
Pinhole Diameter0.6245 INCHES MINIMUM AND 0.6250 INCHES MAXIMUM IN
Pin Hole BushingNOT INCLUDED
MaterialALUMINUM
Skirt TypeSOLID
Lifecycle & Compliance
Acquisition StatusACTIVE
DEMIL CodeDEMIL A — No Demilitarization Required
HazardNo hazard code in the DLA record (HMIC N)
Criticality CodeX
Cross-Reference Index
Part NumberManufacturer
DB184AS20 PRIMARY Wisconsin Motors, Llc (USA)
No interchangeability data on file.
Other items in FSC 2805 — Gasoline Reciprocating Engines, Except Aircraft; and Components
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
2805-00-010-2959
2805-00-010-2959 · Item name not on file
2805-00-066-3426
TAPPET,ENGINE POPPET VALVE
2805-00-326-0797
SPRING,COUPLING FLA
2805-00-395-7778
BALL,BY-PASS VALVE
2805-00-422-9321
RING SET,PISTON
2805-00-447-9114
VALVE,POPPET,ENGINE
2805-00-448-0786
CAMSHAFT
2805-00-561-9463
GUIDE,VALVE STEM

Frequently Asked Questions

What is NSN 2805-00-200-0152?

NSN 2805-00-200-0152 is a Piston,internal Combustion Engin, manufactured by Wisconsin Motors, Llc, classified under FSC 2805, Gasoline Reciprocating Engines, Except Aircraft; and Components. Status: active.

What part numbers are listed for NSN 2805-00-200-0152?

NSN 2805-00-200-0152 has 1 manufacturer part number on file: DB184AS20 (Wisconsin Motors, Llc).

What are the specifications of DB184AS20?

Key specifications for DB184AS20: Overall Height: 2.653 INCHES MINIMUM AND 2.659 INCHES MAXIMUM IN; Carbon Groove: NOT INCLUDED; Ring Groove Width: 0.1890 INCHES MINIMUM AND 0.1900 INCHES MAXIMUM FOURTH RING IN; Ring Groove Width: 0.0945 INCHES MINIMUM AND 0.0955 INCHES MAXIMUM SECOND RING IN. 28 specifications are documented in the U.S. Government catalog.

Is NSN 2805-00-200-0152 hazardous material?

No hazard code in the DLA record (HMIC N). Hazard information on this page is shown exactly as it appears in the DLA record.

Sources

U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-16.

U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-18.

✓ Data cited from the U.S. Government catalog; commercial cross-references from OEM and certified industry sources.
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