PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

8820Piston Valve Assy

Northrop Grumman Systems Corporation Div Marine Systems · NSN 2825-00-337-1093 · FSC 2825 · No Item Name Available
Verified by PartsTable
NSN 2825-00-337-1093 — this item is cataloged by the U.S. Government under National Stock Number 2825-00-337-1093. Primary manufacturer part number: 8820.
Features
  • Piston Valve Assy — FSC 2825
  • 17 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 Piston Valve Assy, cataloged under National Stock Number 2825-00-337-1093, 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 17 commercial cross-references from 4 manufacturers, enabling identification through both NSN and commercial part number lookups. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN2825-00-337-1093
Primary Part Number8820
Item NamePiston Valve Assy
FSC / FSG2825 / 28 — No Item Name Available
ManufacturerNorthrop Grumman Systems Corporation Div Marine Systems
StatusACTIVE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 12
6625-00-150-520208820 INTERCHANGEABLE
Voltmeter
Simpson Electric Company, Inc.
5330-00-207-89748820 INTERCHANGEABLE
Seal,plain Encased
Skf Usa Inc. Dba Skf Aerospace Sealing Solutions
5962-00-319-2486DM8820 INTERCHANGEABLE
Microcircuit,digital
National Semiconductor Corporation
5306-00-346-9962J8820 INTERCHANGEABLE
Bolt,machine
Joslyn Corp
5950-00-488-382178820 INTERCHANGEABLE
Transformer,power
Magnetika Inc
5975-00-683-27438820 INTERCHANGEABLE
Union,electrical Conduit
Abb Installation Products Inc
3120-00-836-04703120-2 INTERCHANGEABLE
Bushing,sleeve
Defense Logistics Agency Dba Defense Supply Center Philadelphia
5945-01-167-988110043-0043 INTERCHANGEABLE
Solenoid,electrical
L3harris Technologies, Inc. Dba Harris Corp Div Harris Defense Communications
6760-01-225-3067 INTERCHANGEABLE
Power Pack,ac-DC
6515-01-281-355538-8820-1 INTERCHANGEABLE
Catheter and Needle Unit,intrave
Becton Dickinson and Co Acutecare Div
Cross-Reference Index
Part NumberManufacturer
8820 Westinghouse Electric Corp (USA)
8820 PRIMARY Northrop Grumman Systems Corporation Div Marine Systems (USA)
D15-625LPC115-12 Westinghouse Electric Corp (USA)
8820 Westinghouse Electric Corp Sturtevant Div (USA)
CL55S49-6PC115-1 PRIMARY Naval Ship Systems Command (USA)
D15-625BPC115-12 Westinghouse Electric Corp (USA)
D15-625KPC115-12 PRIMARY Northrop Grumman Systems Corporation Div Marine Systems (USA)
D15-625LPC115-12 Westinghouse Electric Corp Sturtevant Div (USA)
D15-625BPC115-12 Westinghouse Electric Corp Sturtevant Div (USA)
D15-625LPC115-12 PRIMARY Northrop Grumman Systems Corporation Div Marine Systems (USA)
D15-625KPC115-12 Westinghouse Electric Corp Sturtevant Div (USA)
CL55S49-2PC115-1 PRIMARY Naval Ship Systems Command (USA)
D15-625KPC115-12 Westinghouse Electric Corp (USA)
D15-625FPC115-12 Westinghouse Electric Corp Sturtevant Div (USA)
D15-625BPC115-12 PRIMARY Northrop Grumman Systems Corporation Div Marine Systems (USA)
D15-625FPC115-12 Westinghouse Electric Corp (USA)
D15-625FPC115-12 PRIMARY Northrop Grumman Systems Corporation Div Marine Systems (USA)
Related Parts
6625-00-150-5202INTERCHANGEABLE
VOLTMETER
08820
5330-00-207-8974INTERCHANGEABLE
SEAL,PLAIN ENCASED
8820
5962-00-319-2486INTERCHANGEABLE
MICROCIRCUIT,DIGITAL
DM8820
5306-00-346-9962INTERCHANGEABLE
BOLT,MACHINE
J8820
5950-00-488-3821INTERCHANGEABLE
TRANSFORMER,POWER
78820
5975-00-683-2743INTERCHANGEABLE
UNION,ELECTRICAL CONDUIT
8820
3120-00-836-0470INTERCHANGEABLE
BUSHING,SLEEVE
3120-2
5945-01-167-9881INTERCHANGEABLE
SOLENOID,ELECTRICAL
10043-0043
6760-01-225-3067INTERCHANGEABLE
POWER PACK,AC-DC
6515-01-281-3555INTERCHANGEABLE
CATHETER AND NEEDLE UNIT,INTRAVE
38-8820-1
6625-01-432-7141INTERCHANGEABLE
MONITOR,RADIO FREQUENCY
B8830
5945-01-575-9598INTERCHANGEABLE
SOLENOID,ELECTRICAL
8820

Frequently Asked Questions

What is NSN 2825-00-337-1093?

NSN 2825-00-337-1093 is a Piston Valve Assy, 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 2825-00-337-1093?

NSN 2825-00-337-1093 has 17 cross-referenced part numbers: 8820 (Westinghouse Electric Corp), 8820 (Northrop Grumman Systems Corporation Div Marine Systems), D15-625LPC115-12 (Westinghouse Electric Corp), 8820 (Westinghouse Electric Corp Sturtevant Div), CL55S49-6PC115-1 (Naval Ship Systems Command) and 12 more.

What NSN replaces 2825-00-337-1093?

There are 12 known substitutes for 2825-00-337-1093: 6625-00-150-5202, 5330-00-207-8974, 5962-00-319-2486 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 8820?

Key specifications for 8820: 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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