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4820-01-233-4979

Expansion Valve

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Official Item Classification

Name
Expansion Valve
(NSN) National Stock Number
4820-01-233-4979
(FSG) Federal Supply Group
48 Valves
(FSC) Federal Supply Classification
4820 Nonpowered Valves
(INC) Item Name Code
05493
(FIIG) Federal Item Identification Guide
A07100
Date
05/31/1986 (40 years ago)

0.500 inches nominal first end outside diameter tube accommodated, flared first end style designator, straight thru body style, threaded external tube first end connection type, refrigerant 12 media for which designed

Specs & Compatibility

Body Style

straight thru

Media For Which Designed

refrigerant 12

First End Connection Type

threaded external tube

First End Style Designator

flared

First End Outside Diameter Tube Accommodated

0.500 inches nominal

First End Thread Class

2a

First End Thread Direction

right-hand

Second End Relationship With First End

not identical

Second End Connection Type

threaded external tube

Second End Style Designator

flared

Second End Outside Diameter Tube Accommodated

0.250 inches nominal

Second End Thread Class

2a

Second End Thread Direction

right-hand

First End Seat Angle In Deg

37.0

Second End Seat Angle In Deg

37.0

Flow Control Device

stem and integral disk

End Connection Quantity

2

Capillary Tube Length

60.000 inches nominal

Bulb Length

3.500 inches nominal

Bulb Diameter

0.500 inches nominal

Valve Expansion Control Type

thermostatic

Valve Evaporator Temp Range Designation

low

Valve Pressure Limiting Device

not included

Bulb Media Type

trichloromonofluoromethane

Bulb Mounting Method

clamp

Valve Equalizer Location

internal

Refrigeration Capacity In Btu Per Hour

6.0

Special Features

temp rating: -50.0 deg fahrenheit to 50.0 deg fahrenheit

Material

copper alloy body

Material

steel corrosion resisting flow control device

Material

steel corrosion resisting stem

Regulatory Compliance

Precious Metals Indicator
A

Item does not contain precious metal.

Criticality Code
X

The item does not have a nuclear hardened feature or any other critical feature such as tolerance, fit restriction or application.

Hazardous Metals Indicator
N

Indicates there is no data in the hmirs and the nsn is in a fsc not generally suspected of containing hazardous materials.

Pseudo Item Name Code

0005493

Related Hardware Products

Part Number Description
CV0215-003 Expansion Valve
HF1/2FC-1/4X1/2 STRAIGHT Expansion Valve

Frequently Asked Questions

What is the FSCG of the NSN 4820-01-233-4979?
The FSCG of the NSN 4820-01-233-4979 is 4820
Does the NSN 4820-01-233-4979 have a Schedule B code assigned?
Yes, the Schedule B code is 8481809050
Does NSN 4820-01-233-4979 require demilitarization?
"commerce control list items (ccli) - mut to the point of scrap required outside the united states. Inside the united states, mut is required when the demil integrity code (ic) is "3" and mut is not required when the demic is "6" (note 8)"
Does NSN 4820-01-233-4979 contain precious materials?
Item does not contain precious metal.
Does NSN 4820-01-233-4979 contain hazardous materials?
Indicates there is no data in the hmirs and the nsn is in a fsc not generally suspected of containing hazardous materials.
When the NSN 4820-01-233-4979 was assigned to the Federal Catalog?
It was assigned 40 years ago, on Sat, May 31, 1986