The Muffler,exhaust, cataloged under National Stock Number 2990-01-219-8758, is classified within Federal Supply Class 2990 (Miscellaneous Engine Accessories, Nonaircraft) of the Engine Accessories group. The manufacturer of record is Snowbird Technologies Inc.. Government technical data includes 6 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through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 2990-01-219-8758 |
| Primary Part Number | 20-02-021B |
| Item Name | Muffler,exhaust |
| FSC / FSG | 2990 / 29 — Miscellaneous Engine Accessories, Nonaircraft |
| Manufacturer | Snowbird Technologies Inc. |
| Status | ACTIVE |
| Operating Position | HORIZONTAL |
| Muffler Design | STRAIGHT THROUGH |
| Tube Quantity | 3 |
| Body Shape | OVAL |
| Outlet Integral Tail Pipe Length | 1.500 INCHES NOMINAL FIRST OUTLET IN |
| Material | STEEL 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 |
|---|---|
| 20-02-021B PRIMARY | Snowbird Technologies Inc. (USA) |
| Reference | Meaning |
|---|---|
| A3030076 | 5/9 Secondary reference Snowbird Technologies Inc. |
| 20-02-021B | 5/9 Secondary reference A R E Mfg Co Inc |
| A3030076 | 5/9 Secondary reference A R E Mfg Co Inc |
NSN 2990-01-219-8758 is a Muffler,exhaust, manufactured by Snowbird Technologies Inc., classified under FSC 2990, Miscellaneous Engine Accessories, Nonaircraft. Status: active.
NSN 2990-01-219-8758 has 1 manufacturer part number on file: 20-02-021B (Snowbird Technologies Inc.).
Key specifications for 20-02-021B: Operating Position: HORIZONTAL; Overall Height: 3.000 INCHES NOMINAL IN; Overall Length: 15.000 INCHES NOMINAL IN; Muffler Design: STRAIGHT THROUGH. 6 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.