The Ring,piston, cataloged under National Stock Number 2825-00-288-3837, is classified within Federal Supply Class 2825 (Steam Turbines and Components) of the Engines, Turbines, and Components group. The manufacturer of record is Double Seal Ring Co. Government technical data includes 7 specifications, cited from the U.S. Government catalog. The record lists 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 2825-00-288-3837 |
| Primary Part Number | 632A933-001 |
| Item Name | Ring,piston |
| FSC / FSG | 2825 / 28 — Steam Turbines and Components |
| Manufacturer | Double Seal Ring Co |
| Status | ACTIVE |
| FSC Application Data | TURBINE,STEAM |
| Cross-Sectional Shape Style | PLAIN RECTANGULAR, STRAIGHT FACE |
| Joint Style | STEP JOINT |
| Radial Wall Thickness | 0.1870 INCHES NOMINAL IN |
| Ring Style | CONCENTRIC |
| Standard Bore Diameter | 5.000 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 |
|---|---|
| 632A933-001 | General Electric Company (USA) |
| 632A933-001 PRIMARY | Double Seal Ring Co (USA) |
| Reference | Meaning |
|---|---|
| 632A933-1 | 5/9 Secondary reference General Electric Co Switchgear and Control Division of Apparatus Group |
| 632A933-1 | 5/9 Secondary reference General Electric Company |
| 632A933PC1 | 5/9 Secondary reference General Electric Company |
NSN 2825-00-288-3837 is a Ring,piston, manufactured by Double Seal Ring Co, classified under FSC 2825, Steam Turbines and Components. Status: active.
NSN 2825-00-288-3837 has 2 manufacturer part numbers on file: 632A933-001 (General Electric Company), 632A933-001 (Double Seal Ring Co).
Key specifications for 632A933-001: FSC Application Data: TURBINE,STEAM; Overall Width: 0.2500 INCHES NOMINAL IN; Cross-Sectional Shape Style: PLAIN RECTANGULAR, STRAIGHT FACE; Joint Style: STEP 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.