PartsTable TECHNICAL DATA SHEET
NSN 2805-01-021-7195Government record, cited

Engine, Gasoline2805-01-021-7195

NSN 2805-01-021-7195 · NIIN 010217195 · Part number K91SPEC31857C
Essex Industries, Inc. Dba Essex Industries · FSC 2805 — Gasoline Reciprocating Engines, Except Aircraft; and Components · FSG 28 — Engines, Turbines, and Components · CAGE 55469
Government record, cited
NSN 2805-01-021-7195 — this item is cataloged by the U.S. Government under National Stock Number 2805-01-021-7195. Manufacturer of record part number: K91SPEC31857C.
Also searched as  2805-01-021-7195 · 2805010217195 · NIIN 010217195 · 01-021-7195 · FSC 2805 Gasoline Reciprocating Engines, Except Aircraft; and Components · CAGE 55469 · K91SPEC31857C
Nearby stock numbers  ·
Features
  • Engine,gasoline — FSC 2805
  • Strokes Per Cycle: 4
  • Cylinder Head Type: F-HEAD
  • Crankshaft Rotation Direction: COUNTERCLOCKWISE
  • Starting Method: MANUAL
  • Accessory Components and Quantity: AIR CLEARNER 1,MUFFLER EXHAUST 1,RECOIL STARTER @1
  • Fuel Induction Type: CARBURETOR
  • Cylinder Quantity: 1
Identification
  • NSN: 2805-01-021-7195
  • NIIN: 010217195
  • FSC: 2805 — Gasoline Reciprocating Engines, Except Aircraft; and Components
  • FSG: 28 — Engines, Turbines, and Components
  • Primary part number: K91SPEC31857C
  • Manufacturer: Essex Industries, Inc. Dba Essex Industries
General Description

The Engine,gasoline, cataloged under National Stock Number 2805-01-021-7195, 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 Essex Industries, Inc. Dba Essex Industries. Government technical data includes 11 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
NSN2805-01-021-7195
Primary Part NumberK91SPEC31857C
Item NameEngine,gasoline
FSC / FSG2805 / 28 — Gasoline Reciprocating Engines, Except Aircraft; and Components
ManufacturerEssex Industries, Inc. Dba Essex Industries
StatusACTIVE
Strokes Per Cycle4
Cylinder Head TypeF-HEAD
Crankshaft Rotation DirectionCOUNTERCLOCKWISE
Starting MethodMANUAL
Accessory Components and QuantityAIR CLEARNER 1,MUFFLER EXHAUST 1,RECOIL STARTER @1
Fuel Induction TypeCARBURETOR
Cylinder Quantity1
Cylinder ArrangementVERTICAL SINGLE CYLINDER
Standard Bore Diameter2.325 INCHES IN
Stroke Length2.000 INCHES IN
Ignition TypeMAGNETO
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
K91SPEC31857C PRIMARY Essex Industries, Inc. Dba Essex Industries (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 2805-01-021-7195?

NSN 2805-01-021-7195 is a Engine,gasoline, manufactured by Essex Industries, Inc. Dba Essex Industries, classified under FSC 2805, Gasoline Reciprocating Engines, Except Aircraft; and Components. Status: active.

What part numbers are listed for NSN 2805-01-021-7195?

NSN 2805-01-021-7195 has 1 manufacturer part number on file: K91SPEC31857C (Essex Industries, Inc. Dba Essex Industries).

What are the specifications of K91SPEC31857C?

Key specifications for K91SPEC31857C: Strokes Per Cycle: 4; Cylinder Head Type: F-HEAD; Crankshaft Rotation Direction: COUNTERCLOCKWISE; Starting Method: MANUAL. 11 specifications are documented in the U.S. Government catalog.

Is NSN 2805-01-021-7195 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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