The Muffler,exhaust, cataloged under National Stock Number 2990-01-446-0336, is classified within Federal Supply Class 2990 (Miscellaneous Engine Accessories, Nonaircraft) of the Engine Accessories group. The manufacturer of record is Deangelo Marine Exhaust, Inc. Dba Deangelo Marine Exhaust Inc. Government technical data includes 7 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 | 2990-01-446-0336 |
| Primary Part Number | C98-041202 |
| Item Name | Muffler,exhaust |
| FSC / FSG | 2990 / 29 — Miscellaneous Engine Accessories, Nonaircraft |
| Manufacturer | Deangelo Marine Exhaust, Inc. Dba Deangelo Marine Exhaust Inc |
| Status | ACTIVE |
| Operating Position | VERTICAL |
| Coolant Type | WATER |
| Design Type | WET |
| Muffler Design | MULTIPASS |
| Body Shape | ROUND |
| Material | STEEL CORROSION RESISTING LOCATION NOT OTHERWISE SPECIFIED |
| Material | FIBER INSULATION |
| 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 |
|---|---|
| C98-041202 PRIMARY | Deangelo Marine Exhaust, Inc. Dba Deangelo Marine Exhaust Inc (USA) |
NSN 2990-01-446-0336 is a Muffler,exhaust, manufactured by Deangelo Marine Exhaust, Inc. Dba Deangelo Marine Exhaust Inc, classified under FSC 2990, Miscellaneous Engine Accessories, Nonaircraft. Status: active.
NSN 2990-01-446-0336 has 1 manufacturer part number on file: C98-041202 (Deangelo Marine Exhaust, Inc. Dba Deangelo Marine Exhaust Inc).
Key specifications for C98-041202: Operating Position: VERTICAL; Coolant Type: WATER; Design Type: WET; Overall Length: 25.500 INCHES NOMINAL IN. 7 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.