PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

AAE2-1-2FWValve,expansion

Emerson Electric Co Alco Controls Div · NSN 4820-00-504-7455 · FSC 4820 · No Item Name Available
Verified by PartsTable
NSN 4820-00-504-7455 — this item is cataloged by the U.S. Government under National Stock Number 4820-00-504-7455. Primary manufacturer part number: AAE2-1-2FW.
Features
  • Valve,expansion — FSC 4820
  • Valve Equalizer Connection Type: FLARED TUBE
  • Valve Equalizer Connection Diameter: 0.438 INCHES NOMINAL IN
  • Material: STEEL CORROSION RESISTING SEAT
  • Refrigeration Capacity in Btu Per Hour: 30.0
  • Mounting Method: CLAMP BULB
  • Bulb Length: 3.000 INCHES NOMINAL IN
  • First End Style Designator: SOCKET
Applications
  • Flow control in piping systems
  • Pressure regulation
  • Steam and fluid isolation
  • Applications requiring Steel Corrosion Resisting Seat construction
General Description

The Valve,expansion, cataloged under National Stock Number 4820-00-504-7455, is classified within Federal Supply Class 4820 (No Item Name Available) of the Valves group. The primary manufacturer of record is Emerson Electric Co Alco Controls Div. Government technical data includes 27 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 2 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 3 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN4820-00-504-7455
Primary Part NumberAAE2-1-2FW
Item NameValve,expansion
FSC / FSG4820 / 48 — No Item Name Available
ManufacturerEmerson Electric Co Alco Controls Div
StatusACTIVE
Valve Equalizer Connection TypeFLARED TUBE
Valve Equalizer Connection Diameter0.438 INCHES NOMINAL IN
MaterialSTEEL CORROSION RESISTING SEAT
Refrigeration Capacity in Btu Per Hour30.0
Mounting MethodCLAMP BULB
Bulb Length3.000 INCHES NOMINAL IN
First End Style DesignatorSOCKET
Valve Expansion Control TypeTHERMOSTATIC
Valve Evaporator Temp Range DesignationHIGH
Temp Rating-50.0 FAHRENHEIT AND 50.0 FAHRENHEIT DEGF
Body StyleSTRAIGHT THRU W/ OFFSET GIVE "ADQL" ONLY WHEN BOTH ENDS FLANGED
Offset Distance0.312 INCHES NOMINAL IN
Second End Relationship with First EndNOT IDENTICAL
Second End Outside Diameter Tube Accommodated0.375 INCHES NOMINAL IN
Bulb Media TypeREFRIGERANT 12
Valve Pressure Limiting DeviceNOT INCLUDED
MaterialCOPPER ALLOY BODY
Bulb Diameter0.625 INCHES NOMINAL IN
End Connection Quantity2
Media for Which DesignedREFRIGERANT 12
First End Outside Diameter Tube Accommodated0.500 INCHES NOMINAL IN
Flow Control DeviceCAGE
First End Connection TypeUNTHREADED INTERNAL TUBE
Second End Style DesignatorSOCKET
Second End Connection TypeUNTHREADED INTERNAL TUBE
Capillary Tube Length30.000 INCHES NOMINAL IN
Valve Equalizer LocationEXTERNAL
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 3
3110-00-100-362755187 INTERCHANGEABLE
Cone and Rollers,tapered Roller
The Timken Corporation
3110-00-987-063055187C INTERCHANGEABLE
Cone and Rollers,tapered Roller
The Timken Corporation
6515-01-234-0253155-02 INTERCHANGEABLE
Mallet,bone Surgery
Zimmer Us Inc Dba Zimmer Us, Inc
Cross-Reference Index
Part NumberManufacturer
AAE2-1-2FW PRIMARY Emerson Electric Co Alco Controls Div (USA)
55187 Keco Industries, Inc. (USA)
Related Parts
3110-00-100-3627INTERCHANGEABLE
CONE AND ROLLERS,TAPERED ROLLER
55187
3110-00-987-0630INTERCHANGEABLE
CONE AND ROLLERS,TAPERED ROLLER
55187C
6515-01-234-0253INTERCHANGEABLE
MALLET,BONE SURGERY
155-02

Frequently Asked Questions

What is NSN 4820-00-504-7455?

NSN 4820-00-504-7455 is a Valve,expansion, manufactured by Emerson Electric Co Alco Controls Div, classified under FSC 4820 (No Item Name Available). Status: active.

What are the part numbers for NSN 4820-00-504-7455?

NSN 4820-00-504-7455 has 2 cross-referenced part numbers: AAE2-1-2FW (Emerson Electric Co Alco Controls Div), 55187 (Keco Industries, Inc.).

What NSN replaces 4820-00-504-7455?

There are 3 known substitutes for 4820-00-504-7455: 3110-00-100-3627, 3110-00-987-0630, 6515-01-234-0253. Verify interchangeability with system specifications before substitution.

What are the specifications of AAE2-1-2FW?

Key specifications for AAE2-1-2FW: Valve Equalizer Connection Type: FLARED TUBE; Valve Equalizer Connection Diameter: 0.438 INCHES NOMINAL IN; Material: STEEL CORROSION RESISTING SEAT; Special Features: FURNISHED W/CLAMP BOLT AND NUT. 28 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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