The Ring,piston, cataloged under National Stock Number 2825-00-271-9020, is classified within Federal Supply Class 2825 (Steam Turbines and Components) of the Engines, Turbines, and Components group. The manufacturer of record is Atwood & Morrill Co., Inc. Dba Weir Valves and Controls Usa. Government technical data includes 6 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 2825-00-271-9020 |
| Primary Part Number | 2376F12 |
| Item Name | Ring,piston |
| FSC / FSG | 2825 / 28 — Steam Turbines and Components |
| Manufacturer | Atwood & Morrill Co., Inc. Dba Weir Valves and Controls Usa |
| Status | ACTIVE |
| FSC Application Data | VALVE,GOVERNOR TURBINE |
| Cross-Sectional Shape Style | PLAIN RECTANGULAR, STRAIGHT FACE |
| Radial Wall Thickness | 0.1850 INCHES NOMINAL IN |
| Ring Style | CONCENTRIC |
| Standard Bore Diameter | 0.187 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 |
|---|---|
| WW8454423PC12 | General Electric Company (USA) |
| 2376FPC12 | Atwood & Morrill Co., Inc. Dba Weir Valves and Controls Usa (USA) |
| WW8440530PC12 | General Electric Company (USA) |
| 2374F12 | Atwood & Morrill Co., Inc. Dba Weir Valves and Controls Usa (USA) |
| 2376F12 PRIMARY | Atwood & Morrill Co., Inc. Dba Weir Valves and Controls Usa (USA) |
| Reference | Meaning |
|---|---|
| SF-287-3#5X3/16 | 5/9 Secondary reference U.S. Government activity |
NSN 2825-00-271-9020 is a Ring,piston, manufactured by Atwood & Morrill Co., Inc. Dba Weir Valves and Controls Usa, classified under FSC 2825, Steam Turbines and Components. Status: active.
NSN 2825-00-271-9020 has 5 manufacturer part numbers on file: WW8454423PC12 (General Electric Company), 2376FPC12 (Atwood & Morrill Co., Inc. Dba Weir Valves and Controls Usa), WW8440530PC12 (General Electric Company), 2374F12 (Atwood & Morrill Co., Inc. Dba Weir Valves and Controls Usa), 2376F12 (Atwood & Morrill Co., Inc. Dba Weir Valves and Controls Usa).
Key specifications for 2376F12: FSC Application Data: VALVE,GOVERNOR TURBINE; Overall Width: 0.1870 INCHES NOMINAL IN; Cross-Sectional Shape Style: PLAIN RECTANGULAR, STRAIGHT FACE; Radial Wall Thickness: 0.1850 INCHES NOMINAL IN. 6 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.