4820-00-934-8084

Find complete technical information, availability, and procurement data for: 4820-00-934-8084
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Federal Supply Group

Valves

Federal Supply Classification

4820 Nonpowered Valves

National Stock Number

4820-00-934-8084

Item Name Code

05488

Assigment Date

03/08/1967 (59 years ago)

right-hand 1st end thread direction, 0.250 inches 1st end nominal pipe size accommodated, 250.0 fahrenheit single response maximum operating temp, spring disk loading method, poppet flow control device

Product Characteristics

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

Nominal Pipe Size Accommodated: 0.250 inches 1st end
Thread Direction: right-hand 1st end
Flow Control Device: poppet
Disk Loading Method: spring
Maximum Operating Temp: 250.0 fahrenheit single response
Connection Style: plain (pipe) 1st end
Valve Operation Method: automatic
Connection Type: threaded external pipe 1st end
Maximum Operating Pressure: 200.0 pounds per square inch single response
Nominal Thread Size: 0.250 inches 1st end
Opening Pressure Setting: 60.0 pounds per square inch
Special Features: pop-off type
Material: copper alloy body
Material: copper alloy and rubber butadiene-acrylonitrile class nbr flow control device
Material: copper alloy seat
Media For Which Designed: acetylene 1st response
Media For Which Designed: air 2nd response
Media For Which Designed: ammonia, gaseous 3rd response
Media For Which Designed: gas, inert 5th response
Media For Which Designed: hydrogen 4th response
Style Designator: straight thru note: to be used for valve bodies of one section only.
Thread Series Designator: npt 1st end

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
559B-2M-60	Safety Relief Valve
D559B2M60	Safety Relief Valve

FAQs

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

What is the FSCG of the NSN 4820-00-934-8084?

The FSCG of the NSN 4820-00-934-8084 is 4820

Does the NSN 4820-00-934-8084 have a Schedule B code assigned?

Yes, the Schedule B code is 8481400000

Does NSN 4820-00-934-8084 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 4820-00-934-8084 contain precious materials?

Precious metal content is unknown

Does NSN 4820-00-934-8084 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 4820-00-934-8084 was assigned to the Federal Catalog?

It was assigned 59 years ago, on Wed, Mar 8, 1967