4820-01-330-4939

Find complete technical information, availability, and procurement data for: 4820-01-330-4939
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Federal Supply Group

Valves

Federal Supply Classification

4820 Nonpowered Valves

National Stock Number

4820-01-330-4939

Item Name Code

05488

Assigment Date

12/04/1990 (35 years ago)

right-hand all ends thread direction, disk flow control device, 406.0 fahrenheit 1st response maximum operating temp, 300.0 fahrenheit 2nd response maximum operating temp, plain (pipe) 1st end connection style

Product Characteristics

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

Thread Direction: right-hand all ends
Flow Control Device: disk
Maximum Operating Temp: 300.0 fahrenheit 2nd response
Maximum Operating Temp: 406.0 fahrenheit 1st response
Connection Style: plain (pipe) 1st end
Connection Style: plain,optional end(pipe) 2nd end
Valve Operation Method: automatic or manual
Connection Type: threaded external pipe 1st end
Connection Type: threaded internal pipe 2nd end
Maximum Operating Pressure: 250.0 pounds per square inch 1st response
Maximum Operating Pressure: 300.0 pounds per square inch 2nd response
Nominal Thread Size: 0.500 inches 1st end
Nominal Thread Size: 0.750 inches 2nd end
Opening Pressure Setting: 110.0 pounds per square inch
Material: copper alloy body
Material: copper alloy flow control device
Material: steel stem
Media For Which Designed: air 2nd response
Media For Which Designed: steam 1st response
Style Designator: angle
Thread Series Designator: npt all ends

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
6010DC-KC0110	Safety Relief Valve

FAQs

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

What is the FSCG of the NSN 4820-01-330-4939?

The FSCG of the NSN 4820-01-330-4939 is 4820

Does the NSN 4820-01-330-4939 have a Schedule B code assigned?

Yes, the Schedule B code is 8481400000

Does NSN 4820-01-330-4939 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 4820-01-330-4939 contain precious materials?

Item does not contain precious metal.

Does NSN 4820-01-330-4939 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 4820-01-330-4939 was assigned to the Federal Catalog?

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