The Muffler,exhaust, cataloged under National Stock Number 2990-01-225-7038, is classified within Federal Supply Class 2990 (Miscellaneous Engine Accessories, Nonaircraft) of the Engine Accessories group. The manufacturer of record is Donaldson Company, Inc.. Government technical data includes 12 specifications, cited from the U.S. Government catalog. The record lists 2 manufacturer part numbers 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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.
| Parameter | Value |
|---|---|
| NSN | 2990-01-225-7038 |
| Primary Part Number | WOM12-0197 |
| Item Name | Muffler,exhaust |
| FSC / FSG | 2990 / 29 — Miscellaneous Engine Accessories, Nonaircraft |
| Manufacturer | Donaldson Company, Inc. |
| Status | ACTIVE |
| Operating Position | HORIZONTAL |
| Inlet Location | LOCATED ON END SECTION OF BODY NEAR EDGE |
| Coolant Type | AIR |
| Design Type | DRY |
| Outlet Inside Diameter | 4.000 INCHES NOMINAL FIRST OUTLET IN |
| Inlet Connection Type | UNTHREADED SINGLE INLET |
| Body Shape | OVAL |
| Surface Treatment | ALUMINUM ALLOY |
| Inlet Inside Diameter | 4.000 INCHES NOMINAL SINGLE INLET IN |
| Material | STEEL LOCATION NOT OTHERWISE SPECIFIED |
| Outlet Connection Type | UNTHREADED FIRST OUTLET |
| Outlet Location | LOCATED ON OPPOSITE END SECTION OF BODY NEAR EDGE |
| 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 |
|---|---|
| 32H0511 | Link-Belt Cranes, L.p., Lllp (USA) |
| WOM12-0197 PRIMARY | Donaldson Company, Inc. (USA) |
| Reference | Meaning |
|---|---|
| WOM12-0241 | 5/9 Secondary reference Donaldson Company, Inc. |
| 32H511 | 5/9 Secondary reference Link-Belt Cranes, L.p., Lllp |
NSN 2990-01-225-7038 is a Muffler,exhaust, manufactured by Donaldson Company, Inc., classified under FSC 2990, Miscellaneous Engine Accessories, Nonaircraft. Status: active.
NSN 2990-01-225-7038 has 2 manufacturer part numbers on file: 32H0511 (Link-Belt Cranes, L.p., Lllp), WOM12-0197 (Donaldson Company, Inc.).
Key specifications for WOM12-0197: Operating Position: HORIZONTAL; Overall Height: 10.312 INCHES NOMINAL IN; Inlet Location: LOCATED ON END SECTION OF BODY NEAR EDGE; Coolant Type: AIR. 12 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.