The Muffler,exhaust, cataloged under National Stock Number 2990-01-037-8022, is classified within Federal Supply Class 2990 (Miscellaneous Engine Accessories, Nonaircraft) of the Engine Accessories group. The manufacturer of record is Sprague Systems Engineering. 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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.
| Item Name | Muffler,exhaust |
| FSC / FSG | 2990 — Miscellaneous Engine Accessories, Nonaircraft (FSG 29) |
| Manufacturers | Sprague Systems Engineering (CAGE 0ZNP6) |
| Parameter | Value |
|---|---|
| NSN | 2990-01-037-8022 |
| Primary Part Number | 89278 |
| Item Name | Muffler,exhaust |
| FSC / FSG | 2990 / 29 — Miscellaneous Engine Accessories, Nonaircraft |
| Manufacturer | Sprague Systems Engineering |
| Status | ACTIVE |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL B — Remove Demilitarization Key Points |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Part Number | Manufacturer |
|---|---|
| 89278 | Sprague Systems Engineering (USA) |
| Reference | Meaning |
|---|---|
| 89278 | 3/9 Design control — primary reference U.S. Government activity |
NSN 2990-01-037-8022 is a Muffler,exhaust, manufactured by Sprague Systems Engineering, classified under FSC 2990, Miscellaneous Engine Accessories, Nonaircraft. Status: active.
NSN 2990-01-037-8022 has 1 manufacturer part number on file: 89278 (Sprague Systems Engineering).
No hazard code in the DLA record (HMIC N). Hazard information on this page is shown exactly as it appears in the DLA record.
NSN 2990-01-037-8022 has DEMIL Code B. Demilitarization may be required before disposal or transfer to non-military entities.
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.