The Ring,piston, cataloged under National Stock Number 2825-01-570-3543, is classified within Federal Supply Class 2825 (Steam Turbines and Components) of the Engines, Turbines, and Components group. Government technical data includes 3 specifications, cited from the U.S. Government catalog. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 2825-01-570-3543 |
| Item Name | Ring,piston |
| FSC / FSG | 2825 / 28 — Steam Turbines and Components |
| Status | ACTIVE |
| Cross-Sectional Shape Style | PLAIN RECTANGULAR, STRAIGHT FACE |
| Ring Style | CONCENTRIC |
| Material | CARBON OVERALL |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Reference | Meaning |
|---|---|
| 200274-4 | 3/2 Design control — primary reference U.S. Government activity |
NSN 2825-01-570-3543 is a Ring,piston, classified under FSC 2825, Steam Turbines and Components. Status: active.
Key specifications for 2825-01-570-3543: Cross-Sectional Shape Style: PLAIN RECTANGULAR, STRAIGHT FACE; Ring Style: CONCENTRIC; End Item Identification: TURBINE ROTOR ASSEMBLY, STAGES 3 AND 4, POWER TURBINE; Material: CARBON OVERALL. 3 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.