The Cylinder Assembly,steam Turbine, cataloged under National Stock Number 2825-01-178-6617, is classified within Federal Supply Class 2825 (Steam Turbines and Components) of the Engines, Turbines, and Components group. Government technical data includes 1 specification, cited from the U.S. Government catalog. 4 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 2825-01-178-6617 |
| Item Name | Cylinder Assembly,steam Turbine |
| FSC / FSG | 2825 / 28 — Steam Turbines and Components |
| Status | ACTIVE |
| General Characteristics Item Description | CYLINDER 1,COVER 2,GLAND 2,OIL SEAL 4,LANTERN GLAND 2,NUT 6,ROD END BEARING 2,GASKET 3,BOLT 14,STUD 4,CAPSCREW 6,TRIP ASSEMBLY 1,SPRING 4,PLATE 1,SCREW 4,OPERATING PISTON 1,TRIP THROTTLE PISTON 1 |
| 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 |
|---|---|
| 509E220ABPC30 | 3/9 Design control — primary reference General Electric Co Naval and Drive Turbine Systems Dept |
| 509E220AB | D/9 Drawing number reference only General Electric Co Naval and Drive Turbine Systems Dept |
| 3197763R PIECE 30 | 5/2 Secondary reference U.S. Government activity |
| 319776R | D/9 Drawing number reference only U.S. Government activity |
NSN 2825-01-178-6617 is a Cylinder Assembly,steam Turbine, classified under FSC 2825, Steam Turbines and Components. Status: active.
1 possible match (shared part number, not a government interchangeability claim): 2825-01-254-9909. Verify interchangeability with system specifications before substitution.
Key specifications for 2825-01-178-6617: General Characteristics Item Description: CYLINDER 1,COVER 2,GLAND 2,OIL SEAL 4,LANTERN GLAND 2,NUT 6,ROD END BEARING 2,GASKET 3,BOLT 14,STUD 4,CAPSCREW 6,TRIP ASSEMBLY 1,SPRING 4,PLATE 1,SCREW 4,OPERATING PISTON 1,TRIP THROTTLE PISTON 1. 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.