The Muffler,exhaust, cataloged under National Stock Number 2990-01-357-3572, is classified within Federal Supply Class 2990 (Miscellaneous Engine Accessories, Nonaircraft) of the Engine Accessories group. The manufacturer of record is Amw Cuyuna Engine Co. Inc Dba Two Stroke International. Government technical data includes 5 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 2990-01-357-3572 |
| Primary Part Number | 1048 |
| Item Name | Muffler,exhaust |
| FSC / FSG | 2990 / 29 — Miscellaneous Engine Accessories, Nonaircraft |
| Manufacturer | Amw Cuyuna Engine Co. Inc Dba Two Stroke International |
| Status | ACTIVE |
| Inlet Flange Shape | OVAL SINGLE INLET |
| Inlet Connection Type | FLANGE SINGLE INLET |
| Body Shape | ROUND |
| Inlet Flange Mounting Provision and Quantity | 2 HOLES SINGLE INLET |
| Outlet Connection Type | UNTHREADED FIRST OUTLET |
| 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 |
|---|---|
| 1048 PRIMARY | Amw Cuyuna Engine Co. Inc Dba Two Stroke International (USA) |
| Reference | Meaning |
|---|---|
| 215-19-961-000 | 5/9 Secondary reference Amw Cuyuna Engine Co. Inc Dba Two Stroke International |
NSN 2990-01-357-3572 is a Muffler,exhaust, manufactured by Amw Cuyuna Engine Co. Inc Dba Two Stroke International, classified under FSC 2990, Miscellaneous Engine Accessories, Nonaircraft. Status: active.
NSN 2990-01-357-3572 has 1 manufacturer part number on file: 1048 (Amw Cuyuna Engine Co. Inc Dba Two Stroke International).
Key specifications for 1048: Inlet Flange Shape: OVAL SINGLE INLET; Inlet Connection Type: FLANGE SINGLE INLET; Body Shape: ROUND; Inlet Flange Mounting Provision and Quantity: 2 HOLES SINGLE INLET. 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.