PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

63524Seat,valve

Curtiss-Wright Electro-Mechanical Corp Dba Steam & Air Solutions Div Curtiss-Wright Steam and Air Solutions · NSN 4820-00-509-6335 · FSC 4820 · No Item Name Available
Verified by PartsTable
NSN 4820-00-509-6335 — this item is cataloged by the U.S. Government under National Stock Number 4820-00-509-6335. Primary manufacturer part number: 63524.
Features
  • Seat,valve — FSC 4820
  • Material: COBALT ALLOY OVERALL
  • 17 verified cross-references
  • Primary manufacturer: Curtiss-Wright Electro-Mechanical Corp Dba Steam & Air Solutions Div Curtiss-Wright Steam and Air Solutions
Applications
  • Flow control in piping systems
  • Pressure regulation
  • Steam and fluid isolation
  • Applications requiring Cobalt Alloy Overall construction
General Description

The Seat,valve, cataloged under National Stock Number 4820-00-509-6335, is classified within Federal Supply Class 4820 (No Item Name Available) of the Valves group. The primary manufacturer of record is Curtiss-Wright Electro-Mechanical Corp Dba Steam & Air Solutions Div Curtiss-Wright Steam and Air Solutions. Government technical data includes 1 verified specification, sourced from the Federal Logistics Information System (FLIS). This item has 17 commercial cross-references from 6 manufacturers, enabling identification through both NSN and commercial part number lookups. 4 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN4820-00-509-6335
Primary Part Number63524
Item NameSeat,valve
FSC / FSG4820 / 48 — No Item Name Available
ManufacturerCurtiss-Wright Electro-Mechanical Corp Dba Steam & Air Solutions Div Curtiss-Wright Steam and Air Solutions
StatusACTIVE
MaterialCOBALT ALLOY OVERALL
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 4
5360-00-209-8825873113 INTERCHANGEABLE
Spring,helical,compression
Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier
2825-00-509-6310 INTERCHANGEABLE
Bellows,turbine
2825-01-183-0664LA63546 INTERCHANGEABLE
Pivot,governor,steam Turbine
Curtiss-Wright Electro-Mechanical Corporation Dba Curtiss-Wright Steam and Air Solutions Div Steam and Air Solutions
3010-01-195-39443211838 PART 10-32 INTERCHANGEABLE
Coupling,flange
Naval Ship Systems Command
Cross-Reference Index
Part NumberManufacturer
LH63611PC9-20 Siemens Government Technologies, Inc. Dba Sgt Dresser-Rand Div Sgt Dresser-Rand (USA)
LA63524 Siemens Government Technologies, Inc. Dba Sgt Dresser-Rand Div Sgt Dresser-Rand (USA)
3211838 Naval Ship Systems Command (USA)
63524 Curtiss-Wright Electro-Mechanical Corporation Dba Curtiss-Wright Steam and Air Solutions Div Steam and Air Solutions (USA)
63524 PRIMARY Curtiss-Wright Electro-Mechanical Corp Dba Steam & Air Solutions Div Curtiss-Wright Steam and Air Solutions (USA)
LH63611PC9-20 Curtiss-Wright Electro-Mechanical Corp Dba Steam & Air Solutions Div Curtiss-Wright Steam and Air Solutions (USA)
LA63524 Turbodyne Div of Dresser Industries Inc See Code 0br59 (USA)
LA63524 Curtiss-Wright Electro-Mechanical Corp Dba Steam & Air Solutions Div Curtiss-Wright Steam and Air Solutions (USA)
63524 Curtiss-Wright Electro-Mechanical Corporation Dba Curtiss Wright Engineered Pump Division Use CAGE Code 0ubg9 for Cataloging (USA)
63524 Siemens Government Technologies, Inc. Dba Sgt Dresser-Rand Div Sgt Dresser-Rand (USA)
LH63611PC9-20 Curtiss-Wright Electro-Mechanical Corporation Dba Curtiss-Wright Steam and Air Solutions Div Steam and Air Solutions (USA)
LH63611PC9-20 Curtiss-Wright Electro-Mechanical Corporation Dba Curtiss Wright Engineered Pump Division Use CAGE Code 0ubg9 for Cataloging (USA)
LA63524 Curtiss-Wright Electro-Mechanical Corporation Dba Curtiss-Wright Steam and Air Solutions Div Steam and Air Solutions (USA)
LA63524 Curtiss-Wright Electro-Mechanical Corporation Dba Curtiss Wright Engineered Pump Division Use CAGE Code 0ubg9 for Cataloging (USA)
63524 Turbodyne Div of Dresser Industries Inc See Code 0br59 (USA)
LH63611PC9-20 Turbodyne Div of Dresser Industries Inc See Code 0br59 (USA)
3211925 Naval Ship Systems Command (USA)
Related Parts
5360-00-209-8825INTERCHANGEABLE
SPRING,HELICAL,COMPRESSION
873113
2825-00-509-6310INTERCHANGEABLE
BELLOWS,TURBINE
2825-01-183-0664INTERCHANGEABLE
PIVOT,GOVERNOR,STEAM TURBINE
LA63546
3010-01-195-3944INTERCHANGEABLE
COUPLING,FLANGE
3211838 PART 10-32

Frequently Asked Questions

What is NSN 4820-00-509-6335?

NSN 4820-00-509-6335 is a Seat,valve, manufactured by Curtiss-Wright Electro-Mechanical Corp Dba Steam & Air Solutions Div Curtiss-Wright Steam and Air Solutions, classified under FSC 4820 (No Item Name Available). Status: active.

What are the part numbers for NSN 4820-00-509-6335?

NSN 4820-00-509-6335 has 17 cross-referenced part numbers: LH63611PC9-20 (Siemens Government Technologies, Inc. Dba Sgt Dresser-Rand Div Sgt Dresser-Rand), LA63524 (Siemens Government Technologies, Inc. Dba Sgt Dresser-Rand Div Sgt Dresser-Rand), 3211838 (Naval Ship Systems Command), 63524 (Curtiss-Wright Electro-Mechanical Corporation Dba Curtiss-Wright Steam and Air Solutions Div Steam and Air Solutions), 63524 (Curtiss-Wright Electro-Mechanical Corp Dba Steam & Air Solutions Div Curtiss-Wright Steam and Air Solutions) and 12 more.

What NSN replaces 4820-00-509-6335?

There are 4 known substitutes for 4820-00-509-6335: 5360-00-209-8825, 2825-00-509-6310, 2825-01-183-0664 and 1 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 63524?

Key specifications for 63524: Material: COBALT ALLOY OVERALL. 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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