The Muffler,exhaust, cataloged under National Stock Number 2990-01-237-2772, is classified within Federal Supply Class 2990 (Miscellaneous Engine Accessories, Nonaircraft) of the Engine Accessories group. The manufacturer of record is Mitsubishi Caterpillar Forklift America, Inc. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Item Name | Muffler,exhaust |
| FSC / FSG | 2990 — Miscellaneous Engine Accessories, Nonaircraft (FSG 29) |
| Manufacturers | Mitsubishi Caterpillar Forklift America, Inc (CAGE 78640) |
| Parameter | Value |
|---|---|
| NSN | 2990-01-237-2772 |
| Primary Part Number | 4W1846 |
| Item Name | Muffler,exhaust |
| FSC / FSG | 2990 / 29 — Miscellaneous Engine Accessories, Nonaircraft |
| Manufacturer | Mitsubishi Caterpillar Forklift America, Inc |
| 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 |
|---|---|
| 4W1846 PRIMARY | Mitsubishi Caterpillar Forklift America, Inc (USA) |
| Reference | Meaning |
|---|---|
| 544593 | C/1 Advisory reference — outside the item-of-supply concept Caterpillar Inc Div Caterpillar Defense |
| 19325-A | 5/9 Secondary reference Cummins Filtration Inc. |
NSN 2990-01-237-2772 is a Muffler,exhaust, manufactured by Mitsubishi Caterpillar Forklift America, Inc, classified under FSC 2990, Miscellaneous Engine Accessories, Nonaircraft. Status: active.
NSN 2990-01-237-2772 has 1 manufacturer part number on file: 4W1846 (Mitsubishi Caterpillar Forklift America, Inc).
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.