The Seal Ring Assembly,labyrinth, cataloged under National Stock Number 2825-01-366-8155, is classified within Federal Supply Class 2825 (Steam Turbines and Components) of the Engines, Turbines, and Components group. The manufacturer of record is Termomeccanica Pompe S.p.a.. Government technical data includes 4 specifications, 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 2825-01-366-8155 |
| Primary Part Number | 0053010043 |
| Item Name | Seal Ring Assembly,labyrinth |
| FSC / FSG | 2825 / 28 — Steam Turbines and Components |
| Manufacturer | Termomeccanica Pompe S.p.a. |
| Status | ACTIVE |
| Outside Diameter | 176.0 MILLIMETERS NOMINAL176.0 MILLIMETERS NOMINAL MM |
| Material Document and Classification | ASTM-B247.82A ASSN STD ALL MATERIAL RESPONSES OVERALL A |
| Inside Diameter | 61.0 MILLIMETERS NOMINAL61.0 MILLIMETERS NOMINAL MM |
| Material | ALUMINUM ALLOY 2014 OVERALL |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | N |
| Part Number | Manufacturer |
|---|---|
| 0053010043 | Termomeccanica Pompe S.p.a. (ITA) |
| Reference | Meaning |
|---|---|
| 0053010043 | 3/9 Design control — primary reference Pump Power and Process |
NSN 2825-01-366-8155 is a Seal Ring Assembly,labyrinth, manufactured by Termomeccanica Pompe S.p.a., classified under FSC 2825, Steam Turbines and Components. Status: active.
NSN 2825-01-366-8155 has 1 manufacturer part number on file: 0053010043 (Termomeccanica Pompe S.p.a.).
Key specifications for 0053010043: Outside Diameter: 176.0 MILLIMETERS NOMINAL176.0 MILLIMETERS NOMINAL MM; Material Document and Classification: ASTM-B247.82A ASSN STD ALL MATERIAL RESPONSES OVERALL A; Inside Diameter: 61.0 MILLIMETERS NOMINAL61.0 MILLIMETERS NOMINAL MM; End Item Identification: 43200119334304320011933430. 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.