PartsTable TECHNICAL DATA SHEET
NSN 2805-01-640-9535Government record, cited

Engine Block, Gasoline2805-01-640-9535

NSN 2805-01-640-9535 · NIIN 016409535 · Part number 2204638
Polaris Industries Inc · FSC 2805 — Gasoline Reciprocating Engines, Except Aircraft; and Components · FSG 28 — Engines, Turbines, and Components · CAGE 1RE78
Government record, cited
NSN 2805-01-640-9535 — this item is cataloged by the U.S. Government under National Stock Number 2805-01-640-9535. Manufacturer of record part number: 2204638.
Also searched as  2805-01-640-9535 · 2805016409535 · NIIN 016409535 · 01-640-9535 · FSC 2805 Gasoline Reciprocating Engines, Except Aircraft; and Components · CAGE 1RE78 · 2204638
Nearby stock numbers  ·
Features
  • Engine Block,gasoline — FSC 2805
  • Supplementary Features: EH0850LE013;IRON LINED
  • Cooling Method: LIQUID
  • Cylinder Quantity: 2
  • Cylinder Arrangement: STRAIGHT IN-LINE
  • 3 manufacturer part numbers on file
  • Manufacturer of record: Polaris Industries Inc
Identification
  • NSN: 2805-01-640-9535
  • NIIN: 016409535
  • FSC: 2805 — Gasoline Reciprocating Engines, Except Aircraft; and Components
  • FSG: 28 — Engines, Turbines, and Components
  • Primary part number: 2204638
  • Manufacturer: Polaris Industries Inc
General Description

The Engine Block,gasoline, cataloged under National Stock Number 2805-01-640-9535, 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 Polaris Industries Inc. Government technical data includes 4 specifications, cited from the U.S. Government catalog. The record lists 3 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN2805-01-640-9535
Primary Part Number2204638
Item NameEngine Block,gasoline
FSC / FSG2805 / 28 — Gasoline Reciprocating Engines, Except Aircraft; and Components
ManufacturerPolaris Industries Inc
StatusACTIVE
Supplementary FeaturesEH0850LE013;IRON LINED
Cooling MethodLIQUID
Cylinder Quantity2
Cylinder ArrangementSTRAIGHT IN-LINE
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
2204638 PRIMARY Polaris Industries Inc (USA)
2204638 Polaris Industries Australia & New Zealand (AUS)
2204638 Polaris Britain Ltd (GBR)
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 2805-01-640-9535?

NSN 2805-01-640-9535 is a Engine Block,gasoline, manufactured by Polaris Industries Inc, classified under FSC 2805, Gasoline Reciprocating Engines, Except Aircraft; and Components. Status: active.

What part numbers are listed for NSN 2805-01-640-9535?

NSN 2805-01-640-9535 has 3 manufacturer part numbers on file: 2204638 (Polaris Industries Inc), 2204638 (Polaris Industries Australia & New Zealand), 2204638 (Polaris Britain Ltd).

What are the specifications of 2204638?

Key specifications for 2204638: Supplementary Features: EH0850LE013;IRON LINED; Cooling Method: LIQUID; Cylinder Quantity: 2; Cylinder Arrangement: STRAIGHT IN-LINE. 4 specifications are documented in the U.S. Government catalog.

Is NSN 2805-01-640-9535 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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