PartsTable TECHNICAL DATA SHEET
NSN 2805-01-358-9121Government record, cited

Cylinder Head, Gasoline Engine2805-01-358-9121

NSN 2805-01-358-9121 · NIIN 013589121 · Part number 398818
Brp Us Inc · FSC 2805 — Gasoline Reciprocating Engines, Except Aircraft; and Components · FSG 28 — Engines, Turbines, and Components · CAGE 1UVT5
Government record, cited
NSN 2805-01-358-9121 — this item is cataloged by the U.S. Government under National Stock Number 2805-01-358-9121. Manufacturer of record part number: 398818.
Also searched as  2805-01-358-9121 · 2805013589121 · NIIN 013589121 · 01-358-9121 · FSC 2805 Gasoline Reciprocating Engines, Except Aircraft; and Components · CAGE 1UVT5 · 398818
Nearby stock numbers  ·
Features
  • Cylinder Head,gasoline Engine — FSC 2805
  • Cooling Method: AIR
  • Valve Port Quantity: 5
  • 1 manufacturer part number on file
  • Manufacturer of record: Brp Us Inc
Identification
  • NSN: 2805-01-358-9121
  • NIIN: 013589121
  • FSC: 2805 — Gasoline Reciprocating Engines, Except Aircraft; and Components
  • FSG: 28 — Engines, Turbines, and Components
  • Primary part number: 398818
  • Manufacturer: Brp Us Inc
General Description

The Cylinder Head,gasoline Engine, cataloged under National Stock Number 2805-01-358-9121, 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 Brp Us Inc. Government technical data includes 2 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN2805-01-358-9121
Primary Part Number398818
Item NameCylinder Head,gasoline Engine
FSC / FSG2805 / 28 — Gasoline Reciprocating Engines, Except Aircraft; and Components
ManufacturerBrp Us Inc
StatusACTIVE
Cooling MethodAIR
Valve Port Quantity5
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
398818 PRIMARY Brp Us Inc (USA)
Reference documents
ReferenceMeaning
398818 5/9 Secondary reference
Outboard Marine Corp Johnson Motors Div
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.
2805-00-000-4022
2805-00-000-4022 · Item name not on file
2805-00-001-0029
2805-00-001-0029 · Item name not on file
2805-00-001-3527
2805-00-001-3527 · Item name not on file
2805-00-001-3844
2805-00-001-3844 · Item name not on file
2805-00-001-3854
COVER,FLYWHEEL
2805-00-001-6154
2805-00-001-6154 · Item name not on file
2805-00-001-6164
FLYWHEEL,ENGINE
2805-00-001-6575
RING SET,PISTON

Frequently Asked Questions

What is NSN 2805-01-358-9121?

NSN 2805-01-358-9121 is a Cylinder Head,gasoline Engine, manufactured by Brp Us Inc, classified under FSC 2805, Gasoline Reciprocating Engines, Except Aircraft; and Components. Status: active.

What part numbers are listed for NSN 2805-01-358-9121?

NSN 2805-01-358-9121 has 1 manufacturer part number on file: 398818 (Brp Us Inc).

What are the specifications of 398818?

Key specifications for 398818: Cooling Method: AIR; Valve Port Quantity: 5. 2 specifications are documented in the U.S. Government catalog.

Is NSN 2805-01-358-9121 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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