The Ring,piston, cataloged under National Stock Number 2825-00-288-2835, is classified within Federal Supply Class 2825 (Steam Turbines and Components) of the Engines, Turbines, and Components group. Government technical data includes 7 specifications, cited from the U.S. Government catalog. 7 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 2825-00-288-2835 |
| Item Name | Ring,piston |
| FSC / FSG | 2825 / 28 — Steam Turbines and Components |
| Status | ACTIVE |
| Material Document and Classification | WE MTL 764 MFR REF SINGLE MATERIAL RESPONSE OVERALL |
| Cross-Sectional Shape Style | PLAIN RECTANGULAR, STRAIGHT FACE |
| Joint Style | VERTICAL JOINT |
| Radial Wall Thickness | 0.2280 INCHES MINIMUM AND 0.2380 INCHES MAXIMUM IN |
| Ring Style | CONCENTRIC |
| Standard Bore Diameter | 7.375 INCHES IN |
| Material | IRON 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 |
|---|---|
| 666J924PC18 | 5/9 Secondary reference Westinghouse Electric Corp |
| 1791742 | 5/9 Secondary reference U.S. Government activity |
| 1791742 | 5/9 Secondary reference Northrop Grumman Systems Corporation |
| 1791742 | 5/9 Secondary reference Westinghouse Electric Corp |
| 906J312PC18 | 5/9 Secondary reference U.S. Government activity |
| 1JA5619-04 | 3/2 Design control — primary reference U.S. Government activity |
| 906J312PC18 | 5/9 Secondary reference Westinghouse Electric Corp |
NSN 2825-00-288-2835 is a Ring,piston, classified under FSC 2825, Steam Turbines and Components. Status: active.
Key specifications for 2825-00-288-2835: Overall Width: 0.1230 INCHES MINIMUM AND 0.1240 INCHES MAXIMUM IN; Material Document and Classification: WE MTL 764 MFR REF SINGLE MATERIAL RESPONSE OVERALL; Cross-Sectional Shape Style: PLAIN RECTANGULAR, STRAIGHT FACE; Joint Style: VERTICAL JOINT. 7 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.