PartsTable TECHNICAL DATA SHEET
NSN 2825-00-147-3799Government record, cited

Disk, E, Haust Pressu2825-00-147-3799

NSN 2825-00-147-3799 · NIIN 001473799 · Part number B20722
Siemens Energy, Inc. · FSC 2825 — Steam Turbines and Components · FSG 28 — Engines, Turbines, and Components · CAGE 16712
Government record, cited
NSN 2825-00-147-3799 — this item is cataloged by the U.S. Government under National Stock Number 2825-00-147-3799. Manufacturer of record part number: B20722.
Also searched as  2825-00-147-3799 · 2825001473799 · NIIN 001473799 · 00-147-3799 · FSC 2825 Steam Turbines and Components · CAGE 16712 · B20722 · G3644-1PC4 · HD586H · G9091PC29
Nearby stock numbers  ·
Features
  • Disk,e,haust Pressu — FSC 2825
  • 4 manufacturer part numbers on file
  • Manufacturer of record: Siemens Energy, Inc.
Identification
  • NSN: 2825-00-147-3799
  • NIIN: 001473799
  • FSC: 2825 — Steam Turbines and Components
  • FSG: 28 — Engines, Turbines, and Components
  • Primary part number: B20722
  • Manufacturer: Siemens Energy, Inc.
General Description

The Disk,e,haust Pressu, cataloged under National Stock Number 2825-00-147-3799, is classified within Federal Supply Class 2825 (Steam Turbines and Components) of the Engines, Turbines, and Components group. The manufacturer of record is Siemens Energy, Inc.. The record lists 4 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN2825-00-147-3799
Primary Part NumberB20722
Item NameDisk,e,haust Pressu
FSC / FSG2825 / 28 — Steam Turbines and Components
ManufacturerSiemens Energy, Inc.
StatusACTIVE
Lifecycle & Compliance
Acquisition StatusACTIVE
DEMIL CodeDEMIL A — No Demilitarization Required
HazardNo hazard code in the DLA record (HMIC N)
Criticality CodeX
Cross-Reference Index
Part NumberManufacturer
B20722 PRIMARY Siemens Energy, Inc. (USA)
G3644-1PC4 PRIMARY Siemens Energy, Inc. (USA)
HD586H PRIMARY Siemens Energy, Inc. (USA)
G9091PC29 PRIMARY Siemens Energy, Inc. (USA)
No interchangeability data on file.
Other items in FSC 2825 — Steam Turbines and Components
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
2825-00-001-8040
2825-00-001-8040 · Item name not on file
2825-00-001-8041
GUIDE,SPINDLE
2825-00-001-8042
2825-00-001-8042 · Item name not on file
2825-00-001-8043
2825-00-001-8043 · Item name not on file
2825-00-001-8044
2825-00-001-8044 · Item name not on file
2825-00-003-0377
2825-00-003-0377 · Item name not on file
2825-00-003-8649
2825-00-003-8649 · Item name not on file
2825-00-004-9102
2825-00-004-9102 · Item name not on file

Frequently Asked Questions

What is NSN 2825-00-147-3799?

NSN 2825-00-147-3799 is a Disk,e,haust Pressu, manufactured by Siemens Energy, Inc., classified under FSC 2825, Steam Turbines and Components. Status: active.

What part numbers are listed for NSN 2825-00-147-3799?

NSN 2825-00-147-3799 has 4 manufacturer part numbers on file: B20722 (Siemens Energy, Inc.), G3644-1PC4 (Siemens Energy, Inc.), HD586H (Siemens Energy, Inc.), G9091PC29 (Siemens Energy, Inc.).

What are the specifications of B20722?

Key specifications for B20722: End Item Identification: STEAM TURBINE,SHIPS PROPULSION SYSTEM. 0 specifications are documented in the U.S. Government catalog.

Is NSN 2825-00-147-3799 hazardous material?

No hazard code in the DLA record (HMIC N). Hazard information on this page is shown exactly as it appears in the DLA record.

Sources

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.

✓ Data cited from the U.S. Government catalog; commercial cross-references from OEM and certified industry sources.
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