The Pipe,exhaust, cataloged under National Stock Number 2990-01-301-9963, is classified within Federal Supply Class 2990 (Miscellaneous Engine Accessories, Nonaircraft) of the Engine Accessories group. The manufacturer of record is Amz Alabama Inc.. 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through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 2990-01-301-9963 |
| Primary Part Number | 4538741-148 |
| Item Name | Pipe,exhaust |
| FSC / FSG | 2990 / 29 — Miscellaneous Engine Accessories, Nonaircraft |
| Manufacturer | Amz Alabama Inc. |
| Status | ACTIVE |
| Furnished Items and Quantity | 2 FLANGE |
| 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 |
|---|---|
| 4538741-148 | Bae Systems Hagglunds Aktiebolag (SWE) |
| 4538741-148 PRIMARY | Amz Alabama Inc. (USA) |
| Reference | Meaning |
|---|---|
| 4538741-148 | 5/9 Secondary reference Bae Systems Hagglunds Ab |
| 93943-991 | 5/9 Secondary reference U.s. Defense Services, Inc. Dba Usds |
| 603 140 06 03 | 5/9 Secondary reference Daimler Ag |
NSN 2990-01-301-9963 is a Pipe,exhaust, manufactured by Amz Alabama Inc., classified under FSC 2990, Miscellaneous Engine Accessories, Nonaircraft. Status: active.
NSN 2990-01-301-9963 has 2 manufacturer part numbers on file: 4538741-148 (Bae Systems Hagglunds Aktiebolag), 4538741-148 (Amz Alabama Inc.).
Key specifications for 4538741-148: Furnished Items and Quantity: 2 FLANGE; End Item Identification: 2350-01-281-8324. 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.