PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

385865Piston,internal Combustion Engin

Brp Us Inc · NSN 2805-00-085-0844 · FSC 2805 · No Item Name Available
Verified by PartsTable
NSN 2805-00-085-0844 — this item is cataloged by the U.S. Government under National Stock Number 2805-00-085-0844. Primary manufacturer part number: 385865.
Features
  • Piston,internal Combustion Engin — FSC 2805
  • Ring: NOT INCLUDED
  • Distance Between Pin Bosses: 1.218 INCHES NOMINAL IN
  • Pin: NOT INCLUDED
  • Ring Groove Width: 0.0950 INCHES NOMINAL THIRD RING IN
  • Ring Groove Width: 0.0950 INCHES NOMINAL SECOND RING IN
  • Distance From Pin Hole Center to Extreme Top: 1.625 INCHES NOMINAL IN
  • Oil Groove: NOT INCLUDED
Applications
  • Applications requiring Aluminum Alloy construction
General Description

The Piston,internal Combustion Engin, cataloged under National Stock Number 2805-00-085-0844, is classified within Federal Supply Class 2805 (No Item Name Available) of the Engines, Turbines, and Components group. The primary manufacturer of record is Brp Us Inc. Government technical data includes 25 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 11 commercial cross-references from 4 manufacturers, enabling identification through both NSN and commercial part number lookups. 4 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN2805-00-085-0844
Primary Part Number385865
Item NamePiston,internal Combustion Engin
FSC / FSG2805 / 28 — No Item Name Available
ManufacturerBrp Us Inc
StatusCANCELLED
RingNOT INCLUDED
Distance Between Pin Bosses1.218 INCHES NOMINAL IN
PinNOT INCLUDED
Ring Groove Width0.0950 INCHES NOMINAL THIRD RING IN
Ring Groove Width0.0950 INCHES NOMINAL SECOND RING IN
Distance From Pin Hole Center to Extreme Top1.625 INCHES NOMINAL IN
Oil GrooveNOT INCLUDED
Surface TreatmentCADMIUM
Retaining Ring GrooveINCLUDED
Diameter2.312 INCHES NOMINAL IN
Ring Groove Quantity3
Head StyleFLAT
Skirt Bottom Cutaway FeatureNOT INCLUDED
Ring Groove Diameter2.062 INCHES NOMINAL FIRST RING IN
Skirt TypeSOLID
Finished Size DesignationSTANDARD
Pin Hole BushingNOT INCLUDED
Pinhole Diameter0.6250 INCHES NOMINAL IN
Surface FinishFINISHED
Ring Groove Width0.0950 INCHES NOMINAL FIRST RING IN
MaterialALUMINUM ALLOY
Ring Groove Diameter2.062 INCHES NOMINAL THIRD RING IN
Carbon GrooveNOT INCLUDED
Pin Type for Which DesignedFLOATING
Ring Groove Diameter2.062 INCHES NOMINAL SECOND RING IN
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 4
5120-00-038-7990385865 INTERCHANGEABLE
Wrench
Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier
1650-00-631-9671385807 INTERCHANGEABLE
Retainer,hold Down
Eaton Aerospace, Llc Dba Jackson South
2805-01-110-8451 INTERCHANGEABLE
Ring Set
6515-01-507-0445385.807 INTERCHANGEABLE
Staple Impactor
Depuy Synthes Sales Inc Dba Depuy Synthes Trauma Div Depuy Synthes Sales, Inc., D/b/a Depuy Synthes Trauma
Cross-Reference Index
Part NumberManufacturer
385807 Outboard Marine Corp (USA)
379134 Brp Us Inc (USA)
379134 Outboard Marine Corp Johnson Motors Div (USA)
385865 Outboard Marine Corp Johnson Motors Div (USA)
379134 Evinrude Motors Product Group of Outboard Marine Corp (USA)
385865 Outboard Marine Corp (USA)
385807 Evinrude Motors Product Group of Outboard Marine Corp (USA)
385865 Evinrude Motors Product Group of Outboard Marine Corp (USA)
379134 Outboard Marine Corp (USA)
385865 PRIMARY Brp Us Inc (USA)
385807 Brp Us Inc (USA)
Related Parts
5120-00-038-7990INTERCHANGEABLE
WRENCH
385865
1650-00-631-9671INTERCHANGEABLE
RETAINER,HOLD DOWN
385807
2805-01-110-8451INTERCHANGEABLE
RING SET
6515-01-507-0445INTERCHANGEABLE
STAPLE IMPACTOR
385.807

Frequently Asked Questions

What is NSN 2805-00-085-0844?

NSN 2805-00-085-0844 is a Piston,internal Combustion Engin, manufactured by Brp Us Inc, classified under FSC 2805 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 2805-00-085-0844?

NSN 2805-00-085-0844 has 11 cross-referenced part numbers: 385807 (Outboard Marine Corp), 379134 (Brp Us Inc), 379134 (Outboard Marine Corp Johnson Motors Div), 385865 (Outboard Marine Corp Johnson Motors Div), 379134 (Evinrude Motors Product Group of Outboard Marine Corp) and 6 more.

What NSN replaces 2805-00-085-0844?

There are 4 known substitutes for 2805-00-085-0844: 5120-00-038-7990, 1650-00-631-9671, 2805-01-110-8451 and 1 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 385865?

Key specifications for 385865: Ring: NOT INCLUDED; Distance Between Pin Bosses: 1.218 INCHES NOMINAL IN; Pin: NOT INCLUDED; Ring Groove Width: 0.0950 INCHES NOMINAL THIRD RING IN. 27 total characteristics are documented in the Federal Logistics Information System.

Is NSN 2805-00-085-0844 still in active supply?

NSN 2805-00-085-0844 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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