PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

DD445S4901-60PC1Piston Valve

Naval Ship Systems Command · NSN 2825-00-337-1094 · FSC 2825 · No Item Name Available
Verified by PartsTable
NSN 2825-00-337-1094 — this item is cataloged by the U.S. Government under National Stock Number 2825-00-337-1094. Primary manufacturer part number: DD445S4901-60PC1.
Features
  • Piston Valve — FSC 2825
  • 19 verified cross-references
  • Primary manufacturer: Naval Ship Systems Command
Applications
  • Flow control in piping systems
  • Pressure regulation
  • Steam and fluid isolation
General Description

The Piston Valve, cataloged under National Stock Number 2825-00-337-1094, is classified within Federal Supply Class 2825 (No Item Name Available) of the Engines, Turbines, and Components group. The primary manufacturer of record is Naval Ship Systems Command. This item has 19 commercial cross-references from 4 manufacturers, enabling identification through both NSN and commercial part number lookups. 6 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Catalog Facts
Item NamePiston Valve
FSC / FSG2825 — No Item Name Available (FSG 28)
ManufacturersNaval Ship Systems Command (CAGE 80064); Westinghouse Electric Corp (CAGE 79500); Westinghouse Electric Corp Sturtevant Div (CAGE 80231); Northrop Grumman Systems Corporation Div Marine Systems (CAGE 90099)
Technical Specifications
ParameterValue
NSN2825-00-337-1094
Primary Part NumberDD445S4901-60PC1
Item NamePiston Valve
FSC / FSG2825 / 28 — No Item Name Available
ManufacturerNaval Ship Systems Command
StatusACTIVE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 6
5330-00-310-8819115045 INTERCHANGEABLE
Gasket
Curtiss-Wright Controls, Inc. Div Actuation Division
3020-00-311-7043 INTERCHANGEABLE
Gear Cluster
5950-00-410-77808819 INTERCHANGEABLE
Transformer Assembly
Brunson Instrument Company Dba Brunson Instrument Co
5950-00-539-6778722828-001 INTERCHANGEABLE
Transformer,power
Raytheon Company Dba Raytheon
2990-00-761-8957T-3979 INTERCHANGEABLE
Muffler,exhaust
Cummins Filtration Inc.
5330-01-213-90198819 INTERCHANGEABLE
Seal,carrier
Continental Emsco Co Skagit Products Div
Cross-Reference Index
Part NumberManufacturer
DD445S4901-60PC1 PRIMARY Naval Ship Systems Command (USA)
DD445S4901-67PC1 PRIMARY Naval Ship Systems Command (USA)
D15-508JPC129 Westinghouse Electric Corp (USA)
8819 Westinghouse Electric Corp Sturtevant Div (USA)
D15-508IPC129 Westinghouse Electric Corp (USA)
D15-508IPC129 PRIMARY Northrop Grumman Systems Corporation Div Marine Systems (USA)
D15-508BPC129 PRIMARY Northrop Grumman Systems Corporation Div Marine Systems (USA)
D15-508JPC129 PRIMARY Northrop Grumman Systems Corporation Div Marine Systems (USA)
D15-508IPC129 Westinghouse Electric Corp Sturtevant Div (USA)
8819 Westinghouse Electric Corp (USA)
DD445S4901-68PC1 PRIMARY Naval Ship Systems Command (USA)
8819 Northrop Grumman Systems Corporation Div Marine Systems (USA)
DD445S4901-64PC1 PRIMARY Naval Ship Systems Command (USA)
D15-508BPC129 Westinghouse Electric Corp (USA)
D15-508JPC129 Westinghouse Electric Corp Sturtevant Div (USA)
D15-508BPC129 Westinghouse Electric Corp Sturtevant Div (USA)
D15-508FPC129 PRIMARY Northrop Grumman Systems Corporation Div Marine Systems (USA)
D15-508FPC129 Westinghouse Electric Corp Sturtevant Div (USA)
D15-508FPC129 Westinghouse Electric Corp (USA)
Related Parts
5330-00-310-8819INTERCHANGEABLE
GASKET
115045
3020-00-311-7043INTERCHANGEABLE
GEAR CLUSTER
5950-00-410-7780INTERCHANGEABLE
TRANSFORMER ASSEMBLY
8819
5950-00-539-6778INTERCHANGEABLE
TRANSFORMER,POWER
722828-001
2990-00-761-8957INTERCHANGEABLE
MUFFLER,EXHAUST
T-3979
5330-01-213-9019INTERCHANGEABLE
SEAL,CARRIER
8819

Frequently Asked Questions

What is NSN 2825-00-337-1094?

NSN 2825-00-337-1094 is a Piston Valve, manufactured by Naval Ship Systems Command, classified under FSC 2825 (No Item Name Available). Status: active.

What are the part numbers for NSN 2825-00-337-1094?

NSN 2825-00-337-1094 has 19 cross-referenced part numbers: DD445S4901-60PC1 (Naval Ship Systems Command), DD445S4901-67PC1 (Naval Ship Systems Command), D15-508JPC129 (Westinghouse Electric Corp), 8819 (Westinghouse Electric Corp Sturtevant Div), D15-508IPC129 (Westinghouse Electric Corp) and 14 more.

What NSN replaces 2825-00-337-1094?

There are 6 known substitutes for 2825-00-337-1094: 5330-00-310-8819, 3020-00-311-7043, 5950-00-410-7780 and 3 more. Verify interchangeability with system specifications before substitution.

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