The Block Assy,engine, cataloged under National Stock Number 2805-00-561-8938, 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. The record lists 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 4 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Item Name | Block Assy,engine |
| FSC / FSG | 2805 — Gasoline Reciprocating Engines, Except Aircraft; and Components (FSG 28) |
| Manufacturers | Komatsu America Corp. (CAGE 0SAT8); Wisconsin Motors, Llc (CAGE 66289) |
| Parameter | Value |
|---|---|
| NSN | 2805-00-561-8938 |
| Primary Part Number | AA90AS8 |
| Item Name | Block Assy,engine |
| FSC / FSG | 2805 / 28 — Gasoline Reciprocating Engines, Except Aircraft; and Components |
| Manufacturer | Wisconsin Motors, Llc |
| Status | ACTIVE |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Part Number | Manufacturer |
|---|---|
| 70538C91 | Komatsu America Corp. (USA) |
| AA90AS8 PRIMARY | Wisconsin Motors, Llc (USA) |
| Reference | Meaning |
|---|---|
| 70538C91 | 5/9 Secondary reference Komatsu American Intl Co |
| 70538C91 | 5/9 Secondary reference U.S. Government activity |
| AA901 | 5/9 Secondary reference Wisconsin Motors, Llc |
| AA90A | 5/9 Secondary reference Wisconsin Motors, Llc |
NSN 2805-00-561-8938 is a Block Assy,engine, manufactured by Wisconsin Motors, Llc, classified under FSC 2805, Gasoline Reciprocating Engines, Except Aircraft; and Components. Status: active.
NSN 2805-00-561-8938 has 2 manufacturer part numbers on file: 70538C91 (Komatsu America Corp.), AA90AS8 (Wisconsin Motors, Llc).
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.