The Muffler,exhaust, cataloged under National Stock Number 2990-01-594-9859, is classified within Federal Supply Class 2990 (Miscellaneous Engine Accessories, Nonaircraft) of the Engine Accessories group. The manufacturer of record is Vetus, Inc.. Government technical data includes 9 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. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 2990-01-594-9859 |
| Primary Part Number | MV125 |
| Item Name | Muffler,exhaust |
| FSC / FSG | 2990 / 29 — Miscellaneous Engine Accessories, Nonaircraft |
| Manufacturer | Vetus, Inc. |
| Status | ACTIVE |
| Operating Position | HORIZONTAL |
| Coolant Type | WATER |
| Design Type | WET |
| Overall Diameter | 5.0 INCHES NOMINAL IN |
| Muffler Design | MULTIPASS |
| Tube Quantity | 2 |
| Inlet Connection Type | UNTHREADED SINGLE INLET |
| Body Shape | IRREGULAR |
| Material | STEEL CORROSION RESISTING LOCATION NOT OTHERWISE SPECIFIED |
| 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 |
|---|---|
| MV125 PRIMARY | Vetus, Inc. (USA) |
NSN 2990-01-594-9859 is a Muffler,exhaust, manufactured by Vetus, Inc., classified under FSC 2990, Miscellaneous Engine Accessories, Nonaircraft. Status: active.
NSN 2990-01-594-9859 has 1 manufacturer part number on file: MV125 (Vetus, Inc.).
Key specifications for MV125: Operating Position: HORIZONTAL; Overall Height: 12.343 INCHES NOMINAL IN; Coolant Type: WATER; Design Type: WET. 9 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.