Expansion Valve NSN 4820-00-256-6688

Item Description

A self-acting valve specifically designed for use in refrigeration systems for continual control of rate of flow of refrigerant. It may be actuated by a thermostatic element or self-actuated.

NSN: 4820-00-256-6688

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Features and Characteristics

Body Material

Brass

Body Style

Angle give "adqm" or "adqn" if flanged one or two ends

Stem Material

Any acceptable

Media For Which Designed

Refrigerant 12

First End Connection Type

Unthreaded internal tube

First End Style Designator

Socket

First End Outside Diameter Tube Accommodated

0.625 inches

Second End Relationship With First End

Not identical

Second End Connection Type

Unthreaded internal tube

Second End Style Designator

Plain

Second End Outside Diameter Tube Accommodated

0.375 inches

Seat Material

Steel, corrosion resisting

Flow Control Device

Disk, top guided

Flow Control Device Material

Steel, corrosion resisting

End Connection Quantity

Capillary Tube Length

120.000 inches

Bulb Length

3.562 inches

Bulb Diameter

0.625 inches

Valve Expansion Control Type

Thermostatic

Valve Evaporator Tempurature Range Designation

High

Valve Pressure Limiting Device

Not included

Bulb Media Type

Refrigerant 12

Bulb Mounting Method

Clamp

Valve Equalizer Location

External

Valve Equalizer Connection Type

Solder tube

Valve Equalizer Connection Diameter

0.250 inches

Refrigeration Capacity In Btu Per Hour

42.0

FSC

4820 Nonpowered Valves

NIIN

002566688

NSN

4820002566688

Manufacturer Part Numbers

Part numbers registered to this national stock number.

Part Number

Cage

Status

MSDS

Part Number:

TCLN3FW2C

Cage Code:

70255

Status:

MSDS:

Part Number:

TCLN300FC2D

Cage Code:

70255

Status:

MSDS:

Part Number:

TCLN3FW2D

Cage Code:

70255

Status:

MSDS:

Part Number:

TCWN3FW2D

Cage Code:

70255

Status:

MSDS:

Foreign Trade & Schedule B

What is a Schedule B number? Find more information at help.cbp.gov

Schedule B Number: 8481809050
NAICS: 332911
SITC: 74780
Description: Other taps, cocks, valves, etc., nesoi
End Use (Code 21180):
Industrial machines, other

Q & A

Frequently asked questions for NSN 4820-00-256-6688

What are the manufacturers of nsn 4820002566688?

Emerson Electric Co (70255)

Does this nsn 4820002566688 have a shelf life?
No. This NSN does not have an applicable shelf life.

What is the formal definition of nsn 4820002566688
A self-acting valve specifically designed for use in refrigeration systems for continual control of rate of flow of refrigerant. it may be actuated by a thermostatic element or self-actuated.

Does nsn 4820002566688 contain any precious metals?
Precious metal content is unknown.

Does nsn 4820002566688 contain any hazardous materials?
No MSDS. No hazardous material.

What is the ESD classification of nsn 4820002566688?
No known electrostatic discharge.

Identification Group

Item Identification Guide (IIG) and Item Name Code (INC)

INC

FIIG

App. Key

Cond. Code

Status

INC:

05493

FIIG:

A07100

App. Key:

Cond. Code:

Status:

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Certificate of Conformance
Quality Inspected Parts
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