The Pipe,exhaust, cataloged under National Stock Number 2990-01-301-9964, is classified within Federal Supply Class 2990 (Miscellaneous Engine Accessories, Nonaircraft) of the Engine Accessories group. The manufacturer of record is Amz Alabama Inc.. The record lists 3 manufacturer part numbers 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through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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); Amz Alabama Inc. (CAGE 076M6) |
| Parameter | Value |
|---|---|
| NSN | 2990-01-301-9964 |
| Primary Part Number | 91351-991 |
| Item Name | Pipe,exhaust |
| FSC / FSG | 2990 / 29 — Miscellaneous Engine Accessories, Nonaircraft |
| Manufacturer | Amz Alabama Inc. |
| 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 |
|---|---|
| 2537200-801 | Bae Systems Hagglunds Aktiebolag (SWE) |
| 2537200-801 | Amz Alabama Inc. (USA) |
| 91351-991 PRIMARY | Amz Alabama Inc. (USA) |
| Reference | Meaning |
|---|---|
| 91351-991 | 3/9 Design control — primary reference U.s. Defense Services, Inc. Dba Usds |
| 10202330 | 6/9 Informative reference only Nimikkeistokeskus Ncb Finland |
| 2537200-801 | 5/9 Secondary reference Bae Systems Hagglunds Ab |
NSN 2990-01-301-9964 is a Pipe,exhaust, manufactured by Amz Alabama Inc., classified under FSC 2990, Miscellaneous Engine Accessories, Nonaircraft. Status: active.
NSN 2990-01-301-9964 has 3 manufacturer part numbers on file: 2537200-801 (Bae Systems Hagglunds Aktiebolag), 2537200-801 (Amz Alabama Inc.), 91351-991 (Amz Alabama 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.