The Muffler,exhaust, cataloged under National Stock Number 2990-01-436-8387, 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 11 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 | 2990-01-436-8387 |
| Primary Part Number | XD-DOU-0792 |
| Item Name | Muffler,exhaust |
| FSC / FSG | 2990 / 29 — Miscellaneous Engine Accessories, Nonaircraft |
| Manufacturer | Marine Muffler Corp |
| Status | ACTIVE |
| Inlet Flange Shape | ROUND SINGLE INLET |
| Operating Position | VERTICAL |
| Coolant Type | WATER |
| Design Type | WET |
| Overall Diameter | 8.000 INCHES NOMINAL IN |
| Inlet Projection Length | 5.000 INCHES NOMINAL SINGLE INLET IN |
| Baffle Quantity | 1 |
| Inlet Flange Mounting Hole Diameter | 5.000 INCHES NOMINAL SINGLE INLET IN |
| Muffler Design | BAFFLE |
| Inlet Connection Type | UNTHREADED SINGLE INLET |
| Body Shape | ROUND |
| 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 |
|---|---|
| XD-DOU-0792 PRIMARY | Marine Muffler Corp (USA) |
NSN 2990-01-436-8387 is a Muffler,exhaust, manufactured by Marine Muffler Corp, classified under FSC 2990, Miscellaneous Engine Accessories, Nonaircraft. Status: active.
NSN 2990-01-436-8387 has 1 manufacturer part number on file: XD-DOU-0792 (Marine Muffler Corp).
Key specifications for XD-DOU-0792: Inlet Flange Shape: ROUND SINGLE INLET; Operating Position: VERTICAL; Coolant Type: WATER; Design Type: WET. 11 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.