The Piston,internal Combustion Engin, cataloged under National Stock Number 2805-00-215-8261, 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 Wisconsin Motors, Llc. Government technical data includes 27 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.
| Parameter | Value |
|---|---|
| NSN | 2805-00-215-8261 |
| Primary Part Number | DB187B1 |
| Item Name | Piston,internal Combustion Engin |
| FSC / FSG | 2805 / 28 — Gasoline Reciprocating Engines, Except Aircraft; and Components |
| Manufacturer | Wisconsin Motors, Llc |
| Status | ACTIVE |
| Carbon Groove | NOT INCLUDED |
| Ring Groove Width | 0.1890 INCHES MINIMUM AND 0.1900 INCHES MAXIMUM FOURTH RING IN |
| Ring Groove Width | 0.0945 INCHES MINIMUM AND 0.0955 INCHES MAXIMUM SECOND RING IN |
| Ring Groove Width | 0.0955 INCHES MINIMUM AND 0.0965 INCHES MAXIMUM FIRST RING IN |
| Ring Groove Width | 0.0945 INCHES MINIMUM AND 0.0955 INCHES MAXIMUM THIRD RING IN |
| Distance Between Pin Bosses | 1.250 INCHES NOMINAL IN |
| Retaining Ring Groove | NOT INCLUDED |
| Surface Finish | FINISHED |
| Skirt Slot Style | BASE TO GROOVE SLOT |
| Diameter | 3.000 INCHES NOMINAL IN |
| Ring Groove Diameter | 2.642 INCHES MINIMUM AND 2.652 INCHES MAXIMUM FOURTH RING IN |
| Ring Groove Diameter | 2.682 INCHES MINIMUM AND 2.692 INCHES MAXIMUM FIRST RING IN |
| Ring Groove Diameter | 2.682 INCHES MINIMUM AND 2.692 INCHES MAXIMUM SECOND RING IN |
| Ring Groove Diameter | 2.682 INCHES MINIMUM AND 2.692 INCHES MAXIMUM THIRD RING IN |
| Distance From Pin Hole Center to Extreme Top | 1.498 INCHES MINIMUM AND 1.502 INCHES MAXIMUM IN |
| Pin | NOT INCLUDED |
| Pin Type for Which Designed | FLOATING |
| Oil Groove | NOT INCLUDED |
| Head Style | FLAT |
| Ring Groove Quantity | 4 |
| Skirt Bottom Cutaway Feature | NOT INCLUDED |
| Finished Size Designation | STANDARD |
| Ring | NOT INCLUDED |
| Pinhole Diameter | 0.7495 INCHES MINIMUM AND 0.7500 INCHES MAXIMUM IN |
| Pin Hole Bushing | NOT INCLUDED |
| Material | ALUMINUM |
| Skirt Type | FULL SPLIT |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL B — Remove Demilitarization Key Points |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| DB187B1 PRIMARY | Wisconsin Motors, Llc (USA) |
NSN 2805-00-215-8261 is a Piston,internal Combustion Engin, manufactured by Wisconsin Motors, Llc, classified under FSC 2805, Gasoline Reciprocating Engines, Except Aircraft; and Components. Status: active.
NSN 2805-00-215-8261 has 1 manufacturer part number on file: DB187B1 (Wisconsin Motors, Llc).
Key specifications for DB187B1: Overall Height: 3.122 INCHES MINIMUM AND 3.128 INCHES MAXIMUM IN; Carbon Groove: NOT INCLUDED; Ring Groove Width: 0.1890 INCHES MINIMUM AND 0.1900 INCHES MAXIMUM FOURTH RING IN; Ring Groove Width: 0.0945 INCHES MINIMUM AND 0.0955 INCHES MAXIMUM SECOND 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.
NSN 2805-00-215-8261 has DEMIL Code B. Demilitarization may be required before disposal or transfer to non-military entities.
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.