The Exhaust System,engine, cataloged under National Stock Number 2990-01-677-2415, is classified within Federal Supply Class 2990 (Miscellaneous Engine Accessories, Nonaircraft) of the Engine Accessories group. The manufacturer of record is Arctic Fox Llc Dba Arctic Fox Heaters. The record lists 3 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 2 items share a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 2990-01-677-2415 |
| Primary Part Number | A-1673 |
| Item Name | Exhaust System,engine |
| FSC / FSG | 2990 / 29 — Miscellaneous Engine Accessories, Nonaircraft |
| Manufacturer | Arctic Fox Llc Dba Arctic Fox Heaters |
| Status | ACTIVE |
| 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 |
|---|---|
| 23057766 | Volvo Lastvagnar Aktiebolag (SWE) |
| 7423057766 | Arquus (FRA) |
| A-1673 PRIMARY | Arctic Fox Llc Dba Arctic Fox Heaters (USA) |
NSN 2990-01-677-2415 is a Exhaust System,engine, manufactured by Arctic Fox Llc Dba Arctic Fox Heaters, classified under FSC 2990, Miscellaneous Engine Accessories, Nonaircraft. Status: active.
NSN 2990-01-677-2415 has 3 manufacturer part numbers on file: 23057766 (Volvo Lastvagnar Aktiebolag), 7423057766 (Arquus), A-1673 (Arctic Fox Llc Dba Arctic Fox Heaters).
2 possible matches (shared part number, not a government interchangeability claim): 8455-01-713-7139, 8455-01-713-7140. Verify interchangeability with system specifications before substitution.
Key specifications for A-1673: Overall Length: 2565.0 MILLIMETERS NOMINAL MM; Special Features: INCLUDES 2 X SST FLEX TUBES, 1 X WELDMENT SUB-ASSEMBLY, AND 4 X FLEX HOSE CLAMPS; Part Name Assigned by Controlling Agency: EXHAUST TUBE WELDMENT CARGO. 0 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.