The Piston,internal Combustion Engin, cataloged under National Stock Number 2805-01-169-3847, 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 Briggs and Stratton Corp. Government technical data includes 25 specifications, cited from the U.S. Government catalog. The record lists 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 1 item shares a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 2805-01-169-3847 |
| Primary Part Number | 393868 |
| Item Name | Piston,internal Combustion Engin |
| FSC / FSG | 2805 / 28 — Gasoline Reciprocating Engines, Except Aircraft; and Components |
| Manufacturer | Briggs and Stratton Corp |
| Status | ACTIVE |
| Carbon Groove | NOT INCLUDED |
| Ring Groove Width | 0.0192 INCHES NOMINAL THIRD RING IN |
| Ring Groove Width | 0.0820 INCHES NOMINAL FIRST RING IN |
| Ring Groove Width | 0.0820 INCHES NOMINAL SECOND RING IN |
| Distance Between Pin Bosses | 1.440 INCHES NOMINAL IN |
| Retaining Ring Groove | INCLUDED |
| Surface Finish | FINISHED |
| Diameter | 3.000 INCHES NOMINAL IN |
| Ring Groove Diameter | 2.644 INCHES NOMINAL THIRD RING IN |
| Ring Groove Diameter | 2.684 INCHES NOMINAL FIRST RING IN |
| Ring Groove Diameter | 2.684 INCHES NOMINAL SECOND RING IN |
| Distance From Pin Hole Center to Extreme Top | 1.500 INCHES NOMINAL IN |
| Pin | NOT INCLUDED |
| Pin Type for Which Designed | FLOATING |
| Oil Groove | INCLUDED |
| Head Style | FLAT |
| Ring Groove Quantity | 3 |
| Skirt Bottom Cutaway Feature | INCLUDED |
| Finished Size Designation | STANDARD |
| Ring | INCLUDED |
| Pinhole Diameter | 0.7500 INCHES NOMINAL IN |
| Pin Hole Bushing | NOT INCLUDED |
| Material | ALUMINUM ALLOY |
| Skirt Type | SOLID |
| Cut Depth | 0.437 INCHES NOMINAL IN |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
NSN 2805-01-169-3847 is a Piston,internal Combustion Engin, manufactured by Briggs and Stratton Corp, classified under FSC 2805, Gasoline Reciprocating Engines, Except Aircraft; and Components. Status: active.
NSN 2805-01-169-3847 has 2 manufacturer part numbers on file: 393868 (Briggs & Stratton Uk Ltd), 393868 (Briggs and Stratton Corp).
1 possible match (shared part number, not a government interchangeability claim): 2910-01-231-9561. Verify interchangeability with system specifications before substitution.
Key specifications for 393868: Overall Height: 2.410 INCHES NOMINAL IN; Carbon Groove: NOT INCLUDED; Ring Groove Width: 0.0192 INCHES NOMINAL THIRD RING IN; Ring Groove Width: 0.0820 INCHES NOMINAL FIRST RING IN. 25 specifications are documented in the U.S. Government catalog.
No hazard code in the DLA record (HMIC N). Hazard information on this page is shown exactly as it appears in the DLA record.
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.