PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

223-144Valve,expansion

Eaton Corp Controls Div · NSN 4820-00-852-5729 · FSC 4820 · No Item Name Available
Verified by PartsTable
NSN 4820-00-852-5729 — this item is cataloged by the U.S. Government under National Stock Number 4820-00-852-5729. Primary manufacturer part number: 223-144.
Features
  • Valve,expansion — FSC 4820
  • Material: STEEL CORROSION RESISTING STEM
  • Mounting Method: WELL BULB
  • Second End Seat Radius: 0.437 INCHES NOMINAL IN
  • Second End Connection Type: THREADED EXTERNAL TUBE
  • Bulb Length: 3.719 INCHES NOMINAL IN
  • First End Outside Diameter Tube Accommodated: 0.250 INCHES NOMINAL IN
  • Valve Pressure Limiting Device: NOT INCLUDED
Applications
  • Flow control in piping systems
  • Pressure regulation
  • Steam and fluid isolation
  • Applications requiring Steel Corrosion Resisting Stem construction
General Description

The Valve,expansion, cataloged under National Stock Number 4820-00-852-5729, is classified within Federal Supply Class 4820 (No Item Name Available) of the Valves group. The primary manufacturer of record is Eaton Corp Controls Div. Government technical data includes 29 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 3 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 2 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN4820-00-852-5729
Primary Part Number223-144
Item NameValve,expansion
FSC / FSG4820 / 48 — No Item Name Available
ManufacturerEaton Corp Controls Div
StatusACTIVE
MaterialSTEEL CORROSION RESISTING STEM
Mounting MethodWELL BULB
Second End Seat Radius0.437 INCHES NOMINAL IN
Second End Connection TypeTHREADED EXTERNAL TUBE
Bulb Length3.719 INCHES NOMINAL IN
First End Outside Diameter Tube Accommodated0.250 INCHES NOMINAL IN
Valve Pressure Limiting DeviceNOT INCLUDED
First End Thread DirectionRIGHT-HAND
MaterialCOPPER ALLOY BODY
Valve Expansion Control TypeTHERMOSTATIC
Second End Style DesignatorFLARED
Media for Which DesignedANY ACCEPTABLE
Second End Thread DirectionRIGHT-HAND
First End Style DesignatorFLARED
Second End Outside Diameter Tube Accommodated0.500 INCHES NOMINAL IN
Adjustable Pressure Range10.0 TO 55.0 CAMERA MOUNT
First End Seat Angle in Deg45.0
Capillary Tube Length60.000 INCHES NOMINAL IN
Flow Control DeviceDIAPHRAGM
Second End Seat Angle in Deg45.0
End Connection Quantity2
Valve Evaporator Temp Range DesignationLOW
Bulb Media TypeANY ACCEPTABLE
Second End Relationship with First EndNOT IDENTICAL
First End Seat Radius0.250 INCHES NOMINAL IN
First End Connection TypeTHREADED EXTERNAL TUBE
Body StyleANGLE, MULTIPLE CONNECTION
Bulb Diameter0.500 INCHES NOMINAL IN
MaterialSTEEL CORROSION RESISTING SEAT
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 2
5935-00-847-4641223-144 INTERCHANGEABLE
Socket,plug-in Electronic Compon
Viking Technologies, Ltd.
5310-01-596-9579223144 INTERCHANGEABLE
Washer,flat
Alfa Laval Inc
Cross-Reference Index
Part NumberManufacturer
223-144 Eaton Corp Controls Div (USA)
AP209F50754 Safran Power Usa, Llc (USA)
AP209C50754 Safran Power Usa, Llc (USA)
Related Parts
5935-00-847-4641INTERCHANGEABLE
SOCKET,PLUG-IN ELECTRONIC COMPON
223-144
5310-01-596-9579INTERCHANGEABLE
WASHER,FLAT
223144

Frequently Asked Questions

What is NSN 4820-00-852-5729?

NSN 4820-00-852-5729 is a Valve,expansion, manufactured by Eaton Corp Controls Div, classified under FSC 4820 (No Item Name Available). Status: active.

What are the part numbers for NSN 4820-00-852-5729?

NSN 4820-00-852-5729 has 3 cross-referenced part numbers: 223-144 (Eaton Corp Controls Div), AP209F50754 (Safran Power Usa, Llc), AP209C50754 (Safran Power Usa, Llc).

What NSN replaces 4820-00-852-5729?

There are 2 known substitutes for 4820-00-852-5729: 5935-00-847-4641, 5310-01-596-9579. Verify interchangeability with system specifications before substitution.

What are the specifications of 223-144?

Key specifications for 223-144: Material: STEEL CORROSION RESISTING STEM; Special Features: TEMP RATING: 2.0 DEG FAHRENHEIT TO 20.0 DEG FAHRENHEIT; Mounting Method: WELL BULB; Second End Seat Radius: 0.437 INCHES NOMINAL IN. 30 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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