4820-01-237-8321

Find complete technical information, availability, and procurement data for: 4820-01-237-8321
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Federal Supply Group

Valves

Federal Supply Classification

4820 Nonpowered Valves

National Stock Number

4820-01-237-8321

Item Name Code

05488

Assigment Date

08/06/1986 (39 years ago)

An adapter having standard pipe threads on one end or an unthreaded end designed to accommodate a pipe. The other end has machine threads (straight threads other than pipe or hose series) designed to accommodate a tube or is unthreaded and designed to accommodate a tube. It is designed to join a pipe or pipe fitting to a tube or tube fitting in a straight line.

-75.0 fahrenheit 1st response maximum operating temp, plain (pipe) 1st end connection style, right-hand all ends thread direction, disk flow control device, 406.0 fahrenheit 2nd 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.

Thread Direction: right-hand all ends
Flow Control Device: disk
Maximum Operating Temp: -75.0 fahrenheit 1st response
Maximum Operating Temp: 406.0 fahrenheit 2nd response
Connection Style: plain (pipe) 1st end
Connection Style: plain,optional end(pipe) 2nd end
Valve Operation Method: automatic
Connection Type: threaded external pipe 1st end
Connection Type: threaded internal pipe 2nd end
Maximum Operating Pressure: 300.0 pounds per square inch single response
Nominal Thread Size: 0.500 inches 1st end
Nominal Thread Size: 1.000 inches 2nd end
Material: copper alloy body
Material: copper alloy flow control device
Media For Which Designed: air 1st response
Media For Which Designed: gas, inert 2nd response
Media For Which Designed: steam 3rd 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
1471-214675-1/2IN100T135RG	Safety Relief Valve
2471-214675-1/2IN100T135PSI	Safety Relief Valve

FAQs

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

What is the FSCG of the NSN 4820-01-237-8321?

The FSCG of the NSN 4820-01-237-8321 is 4820

Does the NSN 4820-01-237-8321 have a Schedule B code assigned?

Yes, the Schedule B code is 8481400000

Does NSN 4820-01-237-8321 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 4820-01-237-8321 contain precious materials?

Item does not contain precious metal.

Does NSN 4820-01-237-8321 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 4820-01-237-8321 was assigned to the Federal Catalog?

It was assigned 39 years ago, on Wed, Aug 6, 1986