The Piston,internal Combustion Engin, cataloged under National Stock Number 2805-01-032-6347, 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 Wacker Corp. Government technical data includes 21 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. 4 items share a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 2805-01-032-6347 |
| Primary Part Number | 25284 |
| Item Name | Piston,internal Combustion Engin |
| FSC / FSG | 2805 / 28 — Gasoline Reciprocating Engines, Except Aircraft; and Components |
| Manufacturer | Wacker Corp |
| Status | ACTIVE |
| Carbon Groove | INCLUDED |
| Ring Groove Width | 0.0650 INCHES NOMINAL FIRST RING IN |
| Ring Groove Width | 0.0650 INCHES NOMINAL SECOND RING IN |
| Distance Between Pin Bosses | 0.813 INCHES NOMINAL IN |
| Retaining Ring Groove | INCLUDED |
| Surface Finish | FINISHEDFINISHED |
| Diameter | 2.060 INCHES NOMINAL2.060 INCHES NOMINAL IN |
| Ring Groove Diameter | 1.875 INCHES NOMINAL FIRST RING IN |
| Ring Groove Diameter | 1.875 INCHES NOMINAL SECOND RING IN |
| Distance From Pin Hole Center to Extreme Top | 1.688 INCHES NOMINAL IN |
| Pin | NOT INCLUDED |
| Pin Type for Which Designed | FLOATING |
| Oil Groove | NOT INCLUDED |
| Ring Groove Quantity | 22 |
| Skirt Bottom Cutaway Feature | NOT INCLUDEDNOT INCLUDED |
| Finished Size Designation | STANDARDSTANDARD |
| Ring | NOT INCLUDED |
| Pinhole Diameter | 0.5000 INCHES NOMINAL0.5000 INCHES NOMINAL IN |
| Pin Hole Bushing | NOT INCLUDED |
| Material | ALUMINUM |
| Skirt Type | SOLIDSOLID |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| 25284 PRIMARY | Wacker Corp (USA) |
NSN 2805-01-032-6347 is a Piston,internal Combustion Engin, manufactured by Wacker Corp, classified under FSC 2805, Gasoline Reciprocating Engines, Except Aircraft; and Components. Status: active.
NSN 2805-01-032-6347 has 1 manufacturer part number on file: 25284 (Wacker Corp).
4 possible matches (shared part number, not a government interchangeability claim): 6210-01-106-1250, 5340-01-538-4183, 1240-01-601-5572. Verify interchangeability with system specifications before substitution.
Key specifications for 25284: Overall Height: 2.370 INCHES NOMINAL2.370 INCHES NOMINAL IN; Carbon Groove: INCLUDED; Ring Groove Width: 0.0650 INCHES NOMINAL FIRST RING IN; Ring Groove Width: 0.0650 INCHES NOMINAL SECOND RING IN. 21 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.