The Seal Ring Assembly,labyrinth, cataloged under National Stock Number 2825-01-390-3630, is classified within Federal Supply Class 2825 (Steam Turbines and Components) of the Engines, Turbines, and Components group. The manufacturer of record is Elliott Company Div Jeannette. Government technical data includes 1 specification, cited from the U.S. Government catalog. The record lists 1 manufacturer part number 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 2825-01-390-3630 |
| Primary Part Number | 8Y0281-4 |
| Item Name | Seal Ring Assembly,labyrinth |
| FSC / FSG | 2825 / 28 — Steam Turbines and Components |
| Manufacturer | Elliott Company Div Jeannette |
| Status | ACTIVE |
| Material | ALUMINUM ALLOY BOTH SIDES |
| 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 |
|---|---|
| 8Y0281-4 PRIMARY | Elliott Company Div Jeannette (USA) |
| Reference | Meaning |
|---|---|
| BR0098 ITEM 12 | 5/9 Secondary reference Elliott Company Div Jeannette |
NSN 2825-01-390-3630 is a Seal Ring Assembly,labyrinth, manufactured by Elliott Company Div Jeannette, classified under FSC 2825, Steam Turbines and Components. Status: active.
NSN 2825-01-390-3630 has 1 manufacturer part number on file: 8Y0281-4 (Elliott Company Div Jeannette).
Key specifications for 8Y0281-4: Special Features: 2 TOP HALF, 3 BOTTOM HALF, 2 SLOTS 0.188 IN. DP AT SPLIT OF TOP HALF2 TOP HALF, 3 BOTTOM HALF, 2 SLOTS 0.188 IN. DP AT SPLIT OF TOP HALF IN; End Item Identification: ELLIOT CO UNITED TECHNOLOGIES FORCED DRAFT BLOWER MODEL NO. 44BH-2ELLIOT CO UNITED TECHNOLOGIES FORCED DRAFT BLOWER MODEL NO. 44BH-2; Material: ALUMINUM ALLOY BOTH SIDES. 1 specification is 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.