4820-01-307-2889

Find complete technical information, availability, and procurement data for: 4820-01-307-2889
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Federal Supply Group

Valves

Federal Supply Classification

4820 Nonpowered Valves

National Stock Number

4820-01-307-2889

Item Name Code

05488

Assigment Date

09/08/1989 (36 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 (pipe) 1st end connection style, 250.0 fahrenheit single response maximum operating temp, poppet flow control device, plain,optional end(pipe) 2nd end connection style, right-hand all ends thread direction

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: poppet
Maximum Operating Temp: 250.0 fahrenheit single 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: 2500.0 pounds per square inch single response
Nominal Thread Size: 0.375 inches all ends
Opening Pressure Setting: 825.0 pounds per square inch
Material: steel comp 303 body
Media For Which Designed: acetylene 2nd response
Media For Which Designed: air 1st response
Media For Which Designed: ammonia, gaseous 3rd response
Media For Which Designed: hydrogen 5th response
Media For Which Designed: refrigerant 12 4th response
Style Designator: straight thru note: to be used for valve bodies of one section only.
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
5159T-3MP-825	Safety Relief Valve

FAQs

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

What is the FSCG of the NSN 4820-01-307-2889?

The FSCG of the NSN 4820-01-307-2889 is 4820

Does the NSN 4820-01-307-2889 have a Schedule B code assigned?

Yes, the Schedule B code is 8481400000

Does NSN 4820-01-307-2889 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 4820-01-307-2889 contain precious materials?

Item does not contain precious metal.

Does NSN 4820-01-307-2889 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 4820-01-307-2889 was assigned to the Federal Catalog?

It was assigned 36 years ago, on Fri, Sep 8, 1989