The Ring Set,piston, cataloged under National Stock Number 2815-01-334-1674, is classified within Federal Supply Class 2815 (Diesel Engines and Components) of the Engines, Turbines, and Components 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through both NSN and commercial part number lookups. 5 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Item Name | Ring Set,piston |
| FSC / FSG | 2815 — Diesel Engines and Components (FSG 28) |
| Manufacturers | Bae Systems Hagglunds Aktiebolag (CAGE AC90N); Amz Alabama Inc. (CAGE 076M6); Mercedes-Benz Ag (CAGE CN7Z7) |
| Parameter | Value |
|---|---|
| NSN | 2815-01-334-1674 |
| Primary Part Number | 4538741-288 |
| Item Name | Ring Set,piston |
| FSC / FSG | 2815 / 28 — Diesel Engines and Components |
| 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) |
| Part Number | Manufacturer |
|---|---|
| 4538741-288 | Bae Systems Hagglunds Aktiebolag (SWE) |
| 4538741-288 PRIMARY | Amz Alabama Inc. (USA) |
| 003-03-01-124 | Mercedes-Benz Ag (DEU) |
| Reference | Meaning |
|---|---|
| 0020301924 | 5/9 Secondary reference Daimler Ag |
| 003-03-01-124 | 5/9 Secondary reference Daimler Ag |
| 4538741-288 | 5/9 Secondary reference Bae Systems Hagglunds Ab |
| 94027-991 | 3/9 Design control — primary reference U.s. Defense Services, Inc. Dba Usds |
| 94027-991 | C/1 Advisory reference — outside the item-of-supply concept Amz Alabama Inc. |
NSN 2815-01-334-1674 is a Ring Set,piston, manufactured by Amz Alabama Inc., classified under FSC 2815, Diesel Engines and Components. Status: active.
NSN 2815-01-334-1674 has 3 manufacturer part numbers on file: 4538741-288 (Bae Systems Hagglunds Aktiebolag), 4538741-288 (Amz Alabama Inc.), 003-03-01-124 (Mercedes-Benz Ag).
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.