PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

B-3527 831189Stem,fluid Valve

Curtiss-Wright Electro-Mechanical Corp Dba Steam & Air Solutions Div Curtiss-Wright Steam and Air Solutions · NSN 4820-01-278-3638 · FSC 4820 · No Item Name Available
Verified by PartsTable
NSN 4820-01-278-3638 — this item is cataloged by the U.S. Government under National Stock Number 4820-01-278-3638. Primary manufacturer part number: B-3527 831189.
Features
  • Stem,fluid Valve — FSC 4820
  • Material: STEEL CORROSION RESISTING
  • 5 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 Steel Corrosion Resisting construction
General Description

The Stem,fluid Valve, cataloged under National Stock Number 4820-01-278-3638, 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 5 commercial cross-references from 4 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
NSN4820-01-278-3638
Primary Part NumberB-3527 831189
Item NameStem,fluid 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
MaterialSTEEL CORROSION RESISTING
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 1
4730-00-278-6318221204N INTERCHANGEABLE
Coupling,pipe
Bendix Commercial Vehicle Systems Llc Dba Bendix Commercial Vehicle Systems
Cross-Reference Index
Part NumberManufacturer
B-3527 831189 PRIMARY Curtiss-Wright Electro-Mechanical Corp Dba Steam & Air Solutions Div Curtiss-Wright Steam and Air Solutions (USA)
B-3527 831189 Siemens Government Technologies, Inc. Dba Sgt Dresser-Rand Div Sgt Dresser-Rand (USA)
B-3527 831189 Dresser Rand Co Terry Corp Steam Turbine Motor and Generator Co a Joint Venture (USA)
831189 Dresser Rand Co Terry Corp Steam Turbine Motor and Generator Co a Joint Venture (USA)
B-3527 831189 Curtiss-Wright Electro-Mechanical Corporation Dba Curtiss-Wright Steam and Air Solutions Div Steam and Air Solutions (USA)
Related Parts
4730-00-278-6318INTERCHANGEABLE
COUPLING,PIPE
221204N

Frequently Asked Questions

What is NSN 4820-01-278-3638?

NSN 4820-01-278-3638 is a Stem,fluid 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 4820-01-278-3638?

NSN 4820-01-278-3638 has 5 cross-referenced part numbers: B-3527 831189 (Curtiss-Wright Electro-Mechanical Corp Dba Steam & Air Solutions Div Curtiss-Wright Steam and Air Solutions), B-3527 831189 (Siemens Government Technologies, Inc. Dba Sgt Dresser-Rand Div Sgt Dresser-Rand), B-3527 831189 (Dresser Rand Co Terry Corp Steam Turbine Motor and Generator Co a Joint Venture), 831189 (Dresser Rand Co Terry Corp Steam Turbine Motor and Generator Co a Joint Venture), B-3527 831189 (Curtiss-Wright Electro-Mechanical Corporation Dba Curtiss-Wright Steam and Air Solutions Div Steam and Air Solutions).

What NSN replaces 4820-01-278-3638?

There is 1 known substitute for 4820-01-278-3638: 4730-00-278-6318. Verify interchangeability with system specifications before substitution.

What are the specifications of B-3527 831189?

Key specifications for B-3527 831189: Material: STEEL CORROSION RESISTING. 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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