The Muffler,exhaust, cataloged under National Stock Number 2990-01-468-5893, is classified within Federal Supply Class 2990 (Miscellaneous Engine Accessories, Nonaircraft) of the Engine Accessories group. The manufacturer of record is Marine Muffler Corp. Government technical data includes 9 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 | 2990-01-468-5893 |
| Primary Part Number | MC-035-0001 |
| Item Name | Muffler,exhaust |
| FSC / FSG | 2990 / 29 — Miscellaneous Engine Accessories, Nonaircraft |
| Manufacturer | Marine Muffler Corp |
| Status | ACTIVE |
| Inlet Outside Diameter | 3.500 INCHES NOMINAL SINGLE INLET IN |
| Inlet Location | CENTRALLY LOCATED IN THE END SECTION OF THE BODY |
| Design Type | JACKETED |
| Overall Diameter | 8.000 INCHES NOMINAL IN |
| Outlet Outside Diameter | 3.500 INCHES NOMINAL FIRST OUTLET IN |
| Inlet Connection Type | UNTHREADED SINGLE INLET |
| Body Shape | ROUND |
| Outlet Connection Type | UNTHREADED FIRST OUTLET |
| Outlet Location | CENTRALLY LOCATED IN END SECTION OF THE BODY |
| 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 |
|---|---|
| 01091 | Marine Muffler Corp (USA) |
| MC-035-0001 PRIMARY | Marine Muffler Corp (USA) |
NSN 2990-01-468-5893 is a Muffler,exhaust, manufactured by Marine Muffler Corp, classified under FSC 2990, Miscellaneous Engine Accessories, Nonaircraft. Status: active.
NSN 2990-01-468-5893 has 2 manufacturer part numbers on file: 01091 (Marine Muffler Corp), MC-035-0001 (Marine Muffler Corp).
Key specifications for MC-035-0001: Inlet Outside Diameter: 3.500 INCHES NOMINAL SINGLE INLET IN; Inlet Location: CENTRALLY LOCATED IN THE END SECTION OF THE BODY; Design Type: JACKETED; Overall Diameter: 8.000 INCHES NOMINAL IN. 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.