The Seal Ring Assembly,labyrinth, cataloged under National Stock Number 2825-01-273-2503, is classified within Federal Supply Class 2825 (Steam Turbines and Components) of the Engines, Turbines, and Components group. The manufacturer of record is Brp Us Inc. The record lists 1 manufacturer part number 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through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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 | 2825-01-273-2503 |
| Primary Part Number | 393443 |
| Item Name | Seal Ring Assembly,labyrinth |
| FSC / FSG | 2825 / 28 — Steam Turbines and Components |
| Manufacturer | Brp Us Inc |
| Status | ACTIVE |
| 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 |
|---|---|
| 393443 PRIMARY | Brp Us Inc (USA) |
| Reference | Meaning |
|---|---|
| 393443 | C/1 Advisory reference — outside the item-of-supply concept Zf Industrieantriebe Witten Gmbh |
| 393443 | 5/9 Secondary reference U.S. Government activity |
| 393443 | 5/9 Secondary reference Outboard Marine Corp Johnson Motors Div |
NSN 2825-01-273-2503 is a Seal Ring Assembly,labyrinth, manufactured by Brp Us Inc, classified under FSC 2825, Steam Turbines and Components. Status: active.
NSN 2825-01-273-2503 has 1 manufacturer part number on file: 393443 (Brp Us Inc).
Key specifications for 393443: Part Name Assigned by Controlling Agency: SEAL ASSEMBLY,PACKING RING. 0 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.