The Muffler,exhaust, cataloged under National Stock Number 2990-01-467-2044, is classified within Federal Supply Class 2990 (Miscellaneous Engine Accessories, Nonaircraft) of the Engine Accessories group. The manufacturer of record is Arrow Pneumatics Inc. The record lists 2 manufacturer part numbers 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | Copp Industrial Manufacturing, Inc. Dba Copp Industrial Manufacturing (CAGE 64420); Arrow Pneumatics Inc (CAGE 04049) |
| Parameter | Value |
|---|---|
| NSN | 2990-01-467-2044 |
| Primary Part Number | SQF-4 |
| Item Name | Muffler,exhaust |
| FSC / FSG | 2990 / 29 — Miscellaneous Engine Accessories, Nonaircraft |
| Manufacturer | Arrow Pneumatics Inc |
| Status | ACTIVE |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Part Number | Manufacturer |
|---|---|
| 1415AS171 | Copp Industrial Manufacturing, Inc. Dba Copp Industrial Manufacturing (USA) |
| SQF-4 PRIMARY | Arrow Pneumatics Inc (USA) |
| Reference | Meaning |
|---|---|
| 1415AS171 | 7/2 Vendor item drawing reference Naval Air Systems Command Managed Original Design Activity Not Material/parts Supplier |
NSN 2990-01-467-2044 is a Muffler,exhaust, manufactured by Arrow Pneumatics Inc, classified under FSC 2990, Miscellaneous Engine Accessories, Nonaircraft. Status: active.
NSN 2990-01-467-2044 has 2 manufacturer part numbers on file: 1415AS171 (Copp Industrial Manufacturing, Inc. Dba Copp Industrial Manufacturing), SQF-4 (Arrow Pneumatics Inc).
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.