The Ring,piston, cataloged under National Stock Number 2825-00-554-5597, is classified within Federal Supply Class 2825 (Steam Turbines and Components) of the Engines, Turbines, and Components group. The manufacturer of record is Westinghouse Electric Corp. Government technical data includes 7 specifications, cited from the U.S. Government catalog. The record lists 5 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through both NSN and commercial part number lookups. 5 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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.
| Parameter | Value |
|---|---|
| NSN | 2825-00-554-5597 |
| Primary Part Number | 2JB1115PC1 |
| Item Name | Ring,piston |
| FSC / FSG | 2825 / 28 — Steam Turbines and Components |
| Manufacturer | Westinghouse Electric Corp |
| Status | ACTIVE |
| FSC Application Data | TURBINE,STEAM |
| Cross-Sectional Shape Style | PLAIN RECTANGULAR, STRAIGHT FACE |
| Joint Style | VERTICAL JOINT |
| Radial Wall Thickness | 0.1800 INCHES MINIMUM AND 0.1960 INCHES MAXIMUM IN |
| Ring Style | CONCENTRIC |
| Standard Bore Diameter | 10.000 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 |
| Part Number | Manufacturer |
|---|---|
| 666J925PC28 | Westinghouse Electric Corp (USA) |
| 905J431PC28 | Westinghouse Electric Corp (USA) |
| 2JB1115-1 | Westinghouse Electric Corp (USA) |
| 1JH4866PC54 | Westinghouse Electric Corp (USA) |
| 2JB1115PC1 PRIMARY | Westinghouse Electric Corp (USA) |
| Reference | Meaning |
|---|---|
| 906J314PC28 | 5/2 Secondary reference U.S. Government activity |
| 906J314PC28 | 5/9 Secondary reference Westinghouse Electric Corp |
| 2JB1115P1 | 3/2 Design control — primary reference U.S. Government activity |
| 2JB1115-1 | 3/2 Design control — primary reference U.S. Government activity |
| 2JB1115-1 | C/1 Advisory reference — outside the item-of-supply concept Northrop Grumman Systems Corporation |
NSN 2825-00-554-5597 is a Ring,piston, manufactured by Westinghouse Electric Corp, classified under FSC 2825, Steam Turbines and Components. Status: active.
NSN 2825-00-554-5597 has 5 manufacturer part numbers on file: 666J925PC28 (Westinghouse Electric Corp), 905J431PC28 (Westinghouse Electric Corp), 2JB1115-1 (Westinghouse Electric Corp), 1JH4866PC54 (Westinghouse Electric Corp), 2JB1115PC1 (Westinghouse Electric Corp).
Key specifications for 2JB1115PC1: FSC Application Data: TURBINE,STEAM; Overall Width: 0.1840 INCHES MINIMUM AND 0.1860 INCHES MAXIMUM IN; 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.