The Muffler,exhaust, cataloged under National Stock Number 2990-01-345-1195, 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 5 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. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 2990-01-345-1195 |
| Primary Part Number | MPM09-0141 |
| Item Name | Muffler,exhaust |
| FSC / FSG | 2990 / 29 — Miscellaneous Engine Accessories, Nonaircraft |
| Manufacturer | Donaldson Company, Inc. |
| Status | ACTIVE |
| Operating Position | VERTICAL |
| Overall Diameter | 9.000 INCHES NOMINAL IN |
| Muffler Design | STRAIGHT THROUGH |
| Body Shape | ROUND |
| 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 |
|---|---|
| 7-642-000027 | Grove U.s. Llc Dba Grove Us Llc (USA) |
| MPM09-0141 PRIMARY | Donaldson Company, Inc. (USA) |
NSN 2990-01-345-1195 is a Muffler,exhaust, manufactured by Donaldson Company, Inc., classified under FSC 2990, Miscellaneous Engine Accessories, Nonaircraft. Status: active.
NSN 2990-01-345-1195 has 2 manufacturer part numbers on file: 7-642-000027 (Grove U.s. Llc Dba Grove Us Llc), MPM09-0141 (Donaldson Company, Inc.).
Key specifications for MPM09-0141: Operating Position: VERTICAL; Overall Diameter: 9.000 INCHES NOMINAL IN; Overall Length: 51.000 INCHES NOMINAL IN; Muffler Design: STRAIGHT THROUGH. 5 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.