PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

10129Seat,hand Valve

Northrop Grumman Systems Corporation Div Marine Systems · NSN 2825-00-390-1320 · FSC 2825 · No Item Name Available
Verified by PartsTable
NSN 2825-00-390-1320 — this item is cataloged by the U.S. Government under National Stock Number 2825-00-390-1320. Primary manufacturer part number: 10129.
Features
  • Seat,hand Valve — FSC 2825
  • 50 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 Seat,hand Valve, cataloged under National Stock Number 2825-00-390-1320, 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 50 commercial cross-references from 3 manufacturers, enabling identification through both NSN and commercial part number lookups. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Catalog Facts
Item NameSeat,hand Valve
FSC / FSG2825 — No Item Name Available (FSG 28)
ManufacturersWestinghouse Electric Corp (CAGE 79500); Northrop Grumman Systems Corporation Div Marine Systems (CAGE 90099); Westinghouse Electric Corp Sturtevant Div (CAGE 80231)
Technical Specifications
ParameterValue
NSN2825-00-390-1320
Primary Part Number10129
Item NameSeat,hand Valve
FSC / FSG2825 / 28 — No Item Name Available
ManufacturerNorthrop Grumman Systems Corporation Div Marine Systems
StatusACTIVE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 12
5935-00-078-2002 INTERCHANGEABLE
Connector,plug,electrical
3120-00-126-597910129 INTERCHANGEABLE
Bushing,sleeve
Rps-Fl, Inc. Dba Rps Inc
5331-00-147-927610129 INTERCHANGEABLE
O-Ring
Texas Hydraulics, Inc.
5999-00-229-847620-10129 INTERCHANGEABLE
Wire Mesh,knitted
Technical Wire Products, Llc Dba Twp
5305-00-297-4390 INTERCHANGEABLE
Screw,machine
5360-00-314-7182A10129 INTERCHANGEABLE
Spring,helical,compression
Leslie Controls, Inc. Dba Leslie Controls Inc
5962-00-459-7301SMB525279 INTERCHANGEABLE
Microcircuit,digital
Us Army Communications & Electronics Materiel Readiness Command Logistics Engineering Dir
5930-00-615-7393 INTERCHANGEABLE
Switch,lever
5930-00-917-776510106325 INTERCHANGEABLE
Switch,rotary
Us Army Aviation and Missile Command
5999-00-922-1211396220-1 INTERCHANGEABLE
Wire Mesh,knitted
L3harris Technologies, Inc. Dba Harris Corp Div Antenna Products
Cross-Reference Index
Part NumberManufacturer
D15-699LPC629 Westinghouse Electric Corp (USA)
D15-699WPC629 Northrop Grumman Systems Corporation Div Marine Systems (USA)
D15-509MPC656 Northrop Grumman Systems Corporation Div Marine Systems (USA)
D15-704IPC629 Northrop Grumman Systems Corporation Div Marine Systems (USA)
D15-651PPC629 Westinghouse Electric Corp (USA)
D15-426MPC232 Westinghouse Electric Corp (USA)
D15-699WPC629 Westinghouse Electric Corp (USA)
D15-509UPC629 Westinghouse Electric Corp (USA)
D15-426GPC232 Westinghouse Electric Corp (USA)
D15-704BPC629 Westinghouse Electric Corp (USA)
D15-651PPC629 Northrop Grumman Systems Corporation Div Marine Systems (USA)
10129 Westinghouse Electric Corp (USA)
D15-651BPC629 Westinghouse Electric Corp (USA)
D15-651BPC629 Northrop Grumman Systems Corporation Div Marine Systems (USA)
D15-426LPC232 Northrop Grumman Systems Corporation Div Marine Systems (USA)
D15-651IPC629 Westinghouse Electric Corp Sturtevant Div (USA)
D15-699UPC629 Westinghouse Electric Corp (USA)
D15-509BPC629 Westinghouse Electric Corp (USA)
D15-509-629 Westinghouse Electric Corp (USA)
D15-509BPC629 Northrop Grumman Systems Corporation Div Marine Systems (USA)
Related Parts
5935-00-078-2002INTERCHANGEABLE
CONNECTOR,PLUG,ELECTRICAL
3120-00-126-5979INTERCHANGEABLE
BUSHING,SLEEVE
10129
5331-00-147-9276INTERCHANGEABLE
O-RING
10129
5999-00-229-8476INTERCHANGEABLE
WIRE MESH,KNITTED
20-10129
5305-00-297-4390INTERCHANGEABLE
SCREW,MACHINE
5360-00-314-7182INTERCHANGEABLE
SPRING,HELICAL,COMPRESSION
A10129
5962-00-459-7301INTERCHANGEABLE
MICROCIRCUIT,DIGITAL
SMB525279
5930-00-615-7393INTERCHANGEABLE
SWITCH,LEVER
5930-00-917-7765INTERCHANGEABLE
SWITCH,ROTARY
10106325
5999-00-922-1211INTERCHANGEABLE
WIRE MESH,KNITTED
396220-1
4470-01-039-4137INTERCHANGEABLE
STEM,SPECIAL
5133-01-095-9477INTERCHANGEABLE
DRILL,TWIST

Frequently Asked Questions

What is NSN 2825-00-390-1320?

NSN 2825-00-390-1320 is a Seat,hand Valve, 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 2825-00-390-1320?

NSN 2825-00-390-1320 has 50 cross-referenced part numbers: D15-699LPC629 (Westinghouse Electric Corp), D15-699WPC629 (Northrop Grumman Systems Corporation Div Marine Systems), D15-509MPC656 (Northrop Grumman Systems Corporation Div Marine Systems), D15-704IPC629 (Northrop Grumman Systems Corporation Div Marine Systems), D15-651PPC629 (Westinghouse Electric Corp) and 45 more.

What NSN replaces 2825-00-390-1320?

There are 12 known substitutes for 2825-00-390-1320: 5935-00-078-2002, 3120-00-126-5979, 5331-00-147-9276 and 9 more. Verify interchangeability with system specifications before substitution.

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