The Engine Block Assembly,gasoline, cataloged under National Stock Number 2805-00-395-4772, 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 10 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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.
| Parameter | Value |
|---|---|
| NSN | 2805-00-395-4772 |
| Primary Part Number | AA90AS3 |
| Item Name | Engine Block Assembly,gasoline |
| FSC / FSG | 2805 / 28 — Gasoline Reciprocating Engines, Except Aircraft; and Components |
| Manufacturer | Wisconsin Motors, Llc |
| Status | ACTIVE |
| Strokes Per Cycle | 4 |
| Stroke Length | 4.000 INCHES NOMINAL IN |
| Flywheel | NOT INCLUDED |
| Cooling Method | AIR |
| Crankshaft Rotation Direction | CLOCKWISE |
| Cylinder Quantity | 4 |
| Cylinder Arrangement | SINGLE V-TYPE |
| Supercharger Usage Feature | NOT PROVIDED |
| Brake Horsepower at Specified RPM | 23.5 HORSEPOWER AT 1400 RPM RPM |
| Bore Diameter | 3.500 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 |
| Part Number | Manufacturer |
|---|---|
| AA90AS3 PRIMARY | Wisconsin Motors, Llc (USA) |
| Reference | Meaning |
|---|---|
| AA90A53 | 5/9 Secondary reference Wisconsin Motors, Llc |
NSN 2805-00-395-4772 is a Engine Block Assembly,gasoline, manufactured by Wisconsin Motors, Llc, classified under FSC 2805, Gasoline Reciprocating Engines, Except Aircraft; and Components. Status: active.
NSN 2805-00-395-4772 has 1 manufacturer part number on file: AA90AS3 (Wisconsin Motors, Llc).
Key specifications for AA90AS3: Strokes Per Cycle: 4; Stroke Length: 4.000 INCHES NOMINAL IN; Flywheel: NOT INCLUDED; Cooling Method: AIR. 10 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.