PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

25J566 PC 1 TO 97Valve,throttle,turbine

Northrop Grumman Systems Corporation Div Marine Systems · NSN 2825-00-373-0660 · FSC 2825 · No Item Name Available
Verified by PartsTable
NSN 2825-00-373-0660 — this item is cataloged by the U.S. Government under National Stock Number 2825-00-373-0660. Primary manufacturer part number: 25J566 PC 1 TO 97.
Features
  • Valve,throttle,turbine — FSC 2825
  • 9 verified cross-references
  • Primary manufacturer: Northrop Grumman Systems Corporation Div Marine Systems
Applications
  • Flow control in piping systems
  • Pressure regulation
  • Steam and fluid isolation
General Description

The Valve,throttle,turbine, cataloged under National Stock Number 2825-00-373-0660, is classified within Federal Supply Class 2825 (No Item Name Available) of the Engines, Turbines, and Components group. The primary manufacturer of record is Northrop Grumman Systems Corporation Div Marine Systems. This item has 9 commercial cross-references from 5 manufacturers, enabling identification through both NSN and commercial part number lookups. 1 verified substitute exists in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN2825-00-373-0660
Primary Part Number25J566 PC 1 TO 97
Item NameValve,throttle,turbine
FSC / FSG2825 / 28 — No Item Name Available
ManufacturerNorthrop Grumman Systems Corporation Div Marine Systems
StatusACTIVE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 1
5133-00-262-2192 INTERCHANGEABLE
Drill,twist
Cross-Reference Index
Part NumberManufacturer
25J427PC448 Westinghouse Electric Corp (USA)
25J566 PC 1 TO 97 PRIMARY Northrop Grumman Systems Corporation Div Marine Systems (USA)
25J566 Westinghouse Electric Corp Power Generation-Turbine Div (USA)
BB61S61-66 Naval Ship Systems Command (USA)
2013F PRIMARY Atwood & Morrill Co., Inc. Dba Weir Valves and Controls Usa (USA)
25J533PC85 Westinghouse Electric Corp (USA)
25J566 PRIMARY Northrop Grumman Systems Corporation Div Marine Systems (USA)
25J566 Westinghouse Electric Corp (USA)
2013F1T097 Atwood & Morrill Co., Inc. Dba Weir Valves and Controls Usa (USA)
Related Parts
5133-00-262-2192INTERCHANGEABLE
DRILL,TWIST

Frequently Asked Questions

What is NSN 2825-00-373-0660?

NSN 2825-00-373-0660 is a Valve,throttle,turbine, manufactured by Northrop Grumman Systems Corporation Div Marine Systems, classified under FSC 2825 (No Item Name Available). Status: active.

What are the part numbers for NSN 2825-00-373-0660?

NSN 2825-00-373-0660 has 9 cross-referenced part numbers: 25J427PC448 (Westinghouse Electric Corp), 25J566 PC 1 TO 97 (Northrop Grumman Systems Corporation Div Marine Systems), 25J566 (Westinghouse Electric Corp Power Generation-Turbine Div), BB61S61-66 (Naval Ship Systems Command), 2013F (Atwood & Morrill Co., Inc. Dba Weir Valves and Controls Usa) and 4 more.

What NSN replaces 2825-00-373-0660?

There is 1 known substitute for 2825-00-373-0660: 5133-00-262-2192. Verify interchangeability with system specifications before substitution.

What are the specifications of 25J566 PC 1 TO 97?

Key specifications for 25J566 PC 1 TO 97: End Item Identification: STEAM TURBINE,SHIPS PROPULSION SYSTEM. 1 total characteristics are documented in the Federal Logistics Information System.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
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