The Silencer,exhaust, cataloged under National Stock Number 2990-01-228-6979, is classified within Federal Supply Class 2990 (Miscellaneous Engine Accessories, Nonaircraft) of the Engine Accessories group. The manufacturer of record is Burgess Manning, Inc. Dba Skimovex Usa. Government technical data includes 1 specification, cited from the U.S. Government catalog. The record lists 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 2990-01-228-6979 |
| Primary Part Number | 44-158-6-1 |
| Item Name | Silencer,exhaust |
| FSC / FSG | 2990 / 29 — Miscellaneous Engine Accessories, Nonaircraft |
| Manufacturer | Burgess Manning, Inc. Dba Skimovex Usa |
| Status | ACTIVE |
| General Characteristics Item Description | STEEL CONSTRUCTION,FIBERGLASS ACOUSTIC FILL; BOTH END FLANGED W/12 MTG HOLES ON 8.000 IN. DIA BOLT CIRCLE; O/A DIM. 18.000 IN. OD BY 36.000 IN. LG IN |
| 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 |
|---|---|
| ACA-8 | Burgess Manning, Inc. Dba Skimovex Usa (USA) |
| 44-158-6-1 PRIMARY | Burgess Manning, Inc. Dba Skimovex Usa (USA) |
NSN 2990-01-228-6979 is a Silencer,exhaust, manufactured by Burgess Manning, Inc. Dba Skimovex Usa, classified under FSC 2990, Miscellaneous Engine Accessories, Nonaircraft. Status: active.
NSN 2990-01-228-6979 has 2 manufacturer part numbers on file: ACA-8 (Burgess Manning, Inc. Dba Skimovex Usa), 44-158-6-1 (Burgess Manning, Inc. Dba Skimovex Usa).
Key specifications for 44-158-6-1: General Characteristics Item Description: STEEL CONSTRUCTION,FIBERGLASS ACOUSTIC FILL; BOTH END FLANGED W/12 MTG HOLES ON 8.000 IN. DIA BOLT CIRCLE; O/A DIM. 18.000 IN. OD BY 36.000 IN. LG IN. 1 specification is 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.