The Seal Ring Assembly,labyrinth, cataloged under National Stock Number 2825-01-549-7041, is classified within Federal Supply Class 2825 (Steam Turbines and Components) of the Engines, Turbines, and Components group. Government technical data includes 4 specifications, cited from the U.S. Government catalog. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 2825-01-549-7041 |
| Item Name | Seal Ring Assembly,labyrinth |
| FSC / FSG | 2825 / 28 — Steam Turbines and Components |
| Status | ACTIVE |
| Outside Diameter | 44.000 INCHES NOMINAL44.000 INCHES NOMINAL IN |
| Inside Diameter | 32.000 INCHES NOMINAL32.000 INCHES NOMINAL IN |
| Height | 3.000 INCHES NOMINAL3.000 INCHES NOMINAL IN |
| Material | ALUMINUM ALLOY AND STEEL 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 |
|---|---|
| 6508E50FN106 | 5/2 Secondary reference U.S. Government activity |
| 7516E69-002 | 3/2 Design control — primary reference U.S. Government activity |
NSN 2825-01-549-7041 is a Seal Ring Assembly,labyrinth, classified under FSC 2825, Steam Turbines and Components. Status: active.
Key specifications for 2825-01-549-7041: Outside Diameter: 44.000 INCHES NOMINAL44.000 INCHES NOMINAL IN; Inside Diameter: 32.000 INCHES NOMINAL32.000 INCHES NOMINAL IN; Height: 3.000 INCHES NOMINAL3.000 INCHES NOMINAL IN; Special Features: SEAL IS COMPRISED OF 10 DIFFERENT PARTS, AND THE HOUSING PORTIONS ARE COMPRISED OF VARIOUS ALLUMINUM ALLOYS, AND THE SLINGER PORTIONS ARE COMPRISED OF HIGH STRENGTH STEEL; THE THICKNESS IS 3.00 IN, NOMINALSEAL IS COMPRISED OF 10 DIFFERENT PARTS, AND THE HOUSING PORTIONS ARE COMPRISED OF VARIOUS ALLUMINUM ALLOYS, AND THE SLINGER PORTIONS ARE COMPRISED OF HIGH STRENGTH STEEL; THE THICKNESS IS 3.00 IN, NOMINAL IN. 4 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.