4820-00-045-7911

Find complete technical information, availability, and procurement data for: 4820-00-045-7911
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Federal Supply Group

Valves

Federal Supply Classification

4820 Nonpowered Valves

National Stock Number

4820-00-045-7911

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.

unthreaded internal tube first end connection type, plain first end style designator, refrigerant 500 media for which designed, straight thru body style, 0.500 inches nominal first end outside diameter tube accommodated

Product Characteristics

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

Body Style: straight thru
Media For Which Designed: refrigerant 500
First End Connection Type: unthreaded internal tube
First End Style Designator: plain
First End Outside Diameter Tube Accommodated: 0.500 inches nominal
Second End Relationship With First End: identical
Flow Control Device: disk, top guided
End Connection Quantity: 2
Capillary Tube Length: 60.000 inches nominal
Bulb Length: 3.000 inches nominal
Bulb Diameter: 0.500 inches nominal
Valve Expansion Control Type: thermostatic
Valve Evaporator Temp Range Designation: high
Valve Pressure Limiting Device: included
Valve Pressure Limiting Device Setting: 77.0 pounds per square inch gage
Bulb Media Type: refrigerant 500
Bulb Mounting Method: well
Valve Equalizer Location: external
Valve Equalizer Connection Type: flared tube
Valve Equalizer Connection Diameter: 0.250 inches nominal
Refrigeration Capacity In Btu Per Hour: 72.0
Material: copper alloy body
Material: steel corrosion resisting flow control device
Material: steel corrosion resisting seat

Related Parts

This NSN group includes multiple components designed to meet specific performance and operational standards. Each listing provides detailed specs, functionality data, and replacement compatibility information:

Part Number	Name
EA12PC651	Expansion Valve
NPDE6G60	Expansion Valve

FAQs

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

What is the FSCG of the NSN 4820-00-045-7911?

The FSCG of the NSN 4820-00-045-7911 is 4820

Does the NSN 4820-00-045-7911 have a Schedule B code assigned?

Yes, the Schedule B code is 8481809050

Does NSN 4820-00-045-7911 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 4820-00-045-7911 contain precious materials?

Precious metal content is unknown

Does NSN 4820-00-045-7911 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 4820-00-045-7911 was assigned to the Federal Catalog?

It was assigned 63 years ago, on Tue, Jan 1, 1963