The Piston,starting Eng, cataloged under National Stock Number 2990-00-646-6796, is classified within Federal Supply Class 2990 (Miscellaneous Engine Accessories, Nonaircraft) of the Engine Accessories group. The manufacturer of record is Wartsila Australia Pty Ltd. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Item Name | Piston,starting Eng |
| FSC / FSG | 2990 — Miscellaneous Engine Accessories, Nonaircraft (FSG 29) |
| Manufacturers | Wartsila Australia Pty Ltd (CAGE Z5028) |
| Parameter | Value |
|---|---|
| NSN | 2990-00-646-6796 |
| Primary Part Number | PT202661 |
| Item Name | Piston,starting Eng |
| FSC / FSG | 2990 / 29 — Miscellaneous Engine Accessories, Nonaircraft |
| Manufacturer | Wartsila Australia Pty Ltd |
| 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 |
|---|---|
| PT202661 | Wartsila Australia Pty Ltd (AUS) |
| Reference | Meaning |
|---|---|
| PT202661 | 5/9 Secondary reference Ambac International Corporation Div Ambac International |
| PT202661 | 5/9 Secondary reference Automotive Inc Fluid Power Systems Components Div Sub of United Technologies Corp |
| PT202661 | 3/9 Design control — primary reference Kocsis Bros Machine Co |
NSN 2990-00-646-6796 is a Piston,starting Eng, manufactured by Wartsila Australia Pty Ltd, classified under FSC 2990, Miscellaneous Engine Accessories, Nonaircraft. Status: active.
NSN 2990-00-646-6796 has 1 manufacturer part number on file: PT202661 (Wartsila Australia Pty Ltd).
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.