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4820-00-203-5452

Find complete technical information, availability, and procurement data for: 4820-00-203-5452

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4820-00-203-5452
Federal Supply Group
Valves
Federal Supply Classification
4820 Nonpowered Valves
National Stock Number
4820-00-203-5452
Item Name Code
05493
Assigment Date
01/01/1963 (63 years ago)

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.

0.500 inches nominal first end outside diameter tube accommodated, flared first end style designator, refrigerant 12 media for which designed, threaded external tube first end connection type, "angle give "adqn" if flanged ends" body style

Product Characteristics

Below you’ll find the complete technical specifications and performance data for this part, including material details and compliance information.

Body Style
"angle give "adqn" if flanged ends"
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
3a
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
0.375 inches nominal
Second End Thread Class
3a
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
needle
End Connection Quantity
2
Capillary Tube Length
60.000 inches nominal
Bulb Length
4.500 inches nominal
Bulb Diameter
0.375 inches nominal
Valve Expansion Control Type
thermostatic
Valve Evaporator Temp Range Designation
low
Valve Pressure Limiting Device
not included
Bulb Media Type
refrigerant 12
Bulb Mounting Method
clamp
Valve Equalizer Location
internal
Refrigeration Capacity In Btu Per Hour
6.0
Material
copper alloy body
Material
copper alloy stem
Material
nickel alloy seat
Material
steel corrosion resisting flow control device

FAQs

Find helpful answers about installation, operation, maintenance, compliance, and troubleshooting.

What is the FSCG of the NSN 4820-00-203-5452?
The FSCG of the NSN 4820-00-203-5452 is 4820
Does the NSN 4820-00-203-5452 have a Schedule B code assigned?
Yes, the Schedule B code is 8481809050
Does NSN 4820-00-203-5452 require demilitarization?
Items subject to the export administration regulations (ear) in parts 730-774 of title 15, code of federal regulations (cfr) (ccli or ear99) and determined by dod to present a low risk when released out of dod control. No demil, mut, or end use certificate is required. May require an export licensefrom doc.
Does NSN 4820-00-203-5452 contain precious materials?
Precious metal content is unknown
Does NSN 4820-00-203-5452 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 4820-00-203-5452 was assigned to the Federal Catalog?
It was assigned 63 years ago, on Tue, Jan 1, 1963

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