4820-01-330-4947

Find complete technical information, availability, and procurement data for: 4820-01-330-4947
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Federal Supply Group

Valves

Federal Supply Classification

4820 Nonpowered Valves

National Stock Number

4820-01-330-4947

Item Name Code

05488

Assigment Date

12/04/1990 (35 years ago)

A valve that controls flow by a circular disk, or a pair of semicircular disks, attached to a common spindle or lever turning on a diametral axis.

plain (tube) all ends connection style, diaphragm flow control device, inside spring bonnet type, threaded bonnet attachment method, 200.0 fahrenheit single response maximum operating temp

Product Characteristics

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

Flow Control Device: diaphragm
Bonnet Type: inside spring
Bonnet Attachment Method: threaded
Maximum Operating Temp: 200.0 fahrenheit single response
Connection Style: plain (tube) all ends
Valve Operation Method: automatic
Connection Type: unthreaded external tube all ends
Adjustable Pressure Range: +50.0 to 450.0 pounds per square inch
Nominal Outside Diameter Tube Accommodated: 0.875 inches all ends
Material: copper alloy body
Material: copper alloy stem
Material: rubber synthetic seat
Material: steel corrosion resisting flow control device
Media For Which Designed: refrigerant 12 1st response
Media For Which Designed: refrigerant 502 2nd response
Style Designator: angle

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
5423-.875IN	Safety Relief Valve
B5423	Safety Relief Valve

FAQs

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

What is the FSCG of the NSN 4820-01-330-4947?

The FSCG of the NSN 4820-01-330-4947 is 4820

Does the NSN 4820-01-330-4947 have a Schedule B code assigned?

Yes, the Schedule B code is 8481400000

Does NSN 4820-01-330-4947 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 4820-01-330-4947 contain precious materials?

Item does not contain precious metal.

Does NSN 4820-01-330-4947 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 4820-01-330-4947 was assigned to the Federal Catalog?

It was assigned 35 years ago, on Tue, Dec 4, 1990