The Pipe,exhaust, cataloged under National Stock Number 2990-01-307-9370, is classified within Federal Supply Class 2990 (Miscellaneous Engine Accessories, Nonaircraft) of the Engine Accessories group. The manufacturer of record is Bae Systems Hagglunds Aktiebolag. 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through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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.
| Item Name | Pipe,exhaust |
| FSC / FSG | 2990 — Miscellaneous Engine Accessories, Nonaircraft (FSG 29) |
| Manufacturers | Bae Systems Hagglunds Aktiebolag (CAGE AC90N) |
| Parameter | Value |
|---|---|
| NSN | 2990-01-307-9370 |
| Primary Part Number | 4539001 |
| Item Name | Pipe,exhaust |
| FSC / FSG | 2990 / 29 — Miscellaneous Engine Accessories, Nonaircraft |
| Manufacturer | Bae Systems Hagglunds Aktiebolag |
| 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 |
|---|---|
| 4539001 | Bae Systems Hagglunds Aktiebolag (SWE) |
| Reference | Meaning |
|---|---|
| 4539001 | 5/9 Secondary reference Bae Systems Hagglunds Ab |
| 94492-991 | 3/9 Design control — primary reference U.s. Defense Services, Inc. Dba Usds |
| 4539001-801 | 5/9 Secondary reference Bae Systems Hagglunds Ab |
NSN 2990-01-307-9370 is a Pipe,exhaust, manufactured by Bae Systems Hagglunds Aktiebolag, classified under FSC 2990, Miscellaneous Engine Accessories, Nonaircraft. Status: active.
NSN 2990-01-307-9370 has 1 manufacturer part number on file: 4539001 (Bae Systems Hagglunds Aktiebolag).
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.