The Piston,internal Combustion Engin, cataloged under National Stock Number 2805-00-839-5276, is classified within Federal Supply Class 2805 (Gasoline Reciprocating Engines, Except Aircraft; and Components) of the Engines, Turbines, and Components group. Government technical data includes 27 specifications, cited from the U.S. Government catalog. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 2805-00-839-5276 |
| Item Name | Piston,internal Combustion Engin |
| FSC / FSG | 2805 / 28 — Gasoline Reciprocating Engines, Except Aircraft; and Components |
| Status | ACTIVE |
| FSC Application Data | ENGINE GASOLINE,NON-AIRCRAFT P/N MVH4D |
| Carbon Groove | NOT INCLUDED |
| Ring Groove Width | 0.1880 INCHES NOMINAL THIRD RING IN |
| Ring Groove Width | 0.0960 INCHES NOMINAL FIRST RING IN |
| Ring Groove Width | 0.0960 INCHES NOMINAL SECOND RING IN |
| Distance Between Pin Bosses | 1.400 INCHES NOMINAL IN |
| Retaining Ring Groove | INCLUDED |
| Surface Finish | FINISHED |
| Oil Passage Type | HOLE LOCATION NOT OTHERWISE SPECIFIED |
| Diameter | 3.250 INCHES NOMINAL IN |
| Ring Groove Diameter | 2.871 INCHES NOMINAL SECOND RING IN |
| Ring Groove Diameter | 2.871 INCHES NOMINAL THIRD RING IN |
| Ring Groove Diameter | 2.881 INCHES NOMINAL FIRST RING IN |
| Distance From Pin Hole Center to Extreme Top | 1.625 INCHES NOMINAL IN |
| Pin | INCLUDED |
| Pin Type for Which Designed | FLOATING |
| Oil Groove | NOT INCLUDED |
| Head Style | FLAT |
| Ring Groove Quantity | 3 |
| Oversize | 0.020 INCHES NOMINAL IN |
| Skirt Bottom Cutaway Feature | INCLUDED |
| Finished Size Designation | OVERSIZE |
| Ring | NOT INCLUDED |
| Pinhole Diameter | 0.8600 INCHES NOMINAL IN |
| Pin Hole Bushing | NOT INCLUDED |
| Material | ALUMINUM |
| Skirt Type | SOLID |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Reference | Meaning |
|---|---|
| MS35903-2 | 2/2 Government specification standardization U.S. Government activity |
| MIL-E-11275 | 4/1 Identification reference U.S. Government activity |
| DB219SP20 | 5/1 Secondary reference Wisconsin Motors, Llc |
NSN 2805-00-839-5276 is a Piston,internal Combustion Engin, classified under FSC 2805, Gasoline Reciprocating Engines, Except Aircraft; and Components. Status: active.
Key specifications for 2805-00-839-5276: Overall Height: 2.719 INCHES NOMINAL IN; FSC Application Data: ENGINE GASOLINE,NON-AIRCRAFT P/N MVH4D; Carbon Groove: NOT INCLUDED; Ring Groove Width: 0.1880 INCHES NOMINAL THIRD RING IN. 27 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.