4820-01-389-2217

Find complete technical information, availability, and procurement data for: 4820-01-389-2217
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Federal Supply Group

Valves

Federal Supply Classification

4820 Nonpowered Valves

National Stock Number

4820-01-389-2217

Item Name Code

05488

Assigment Date

04/20/1994 (32 years ago)

A valve designed to automatically maintain within close limits a predetermined outlet pressure which may be adjustable within a specified range regardless of the higher fluctuating or constant inlet pressure. It is designed for use with compressed gas(es) and various liquids and may include gauges. It may be inline or cartridge (manifold) design. Excludes:regulator, pressure, medical gas administration apparatus; regulator, oxygen, barometric continuous flow; regulator, oxygen demand; regulator, oxygen diluter demand; and valve(1), fluid pressure regulating, aircraft.

right-hand all ends thread direction, 4920-01-216-0455 end item identification, poppet flow control device, 250.0 fahrenheit single response maximum operating temp, spring disk loading method

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
Disk Loading Method: spring
Maximum Operating Temp: 250.0 fahrenheit single response
End Item Identification: 4920-01-216-0455
Connection Style: plain (pipe) all ends
Valve Operation Method: automatic
Connection Type: threaded external pipe all ends
Maximum Operating Pressure: 200.0 pounds per square inch single response
Nominal Thread Size: 0.125 inches all ends
Opening Pressure Setting: 55.0 pounds per square inch
Material: steel comp 316 body
Media For Which Designed: acetylene 1st response
Media For Which Designed: air 2nd response
Media For Which Designed: gas, inert 3rd response
Style Designator: straight thru w/baffle
Thread Series Designator: npt all ends
Furnished Items And Quantity: 1 deflector cap

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
D-559T1-1M-55	Safety Relief Valve

FAQs

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

What is the FSCG of the NSN 4820-01-389-2217?

The FSCG of the NSN 4820-01-389-2217 is 4820

Does the NSN 4820-01-389-2217 have a Schedule B code assigned?

Yes, the Schedule B code is 8481400000

Does NSN 4820-01-389-2217 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 4820-01-389-2217 contain precious materials?

Item does not contain precious metal.

Does NSN 4820-01-389-2217 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 4820-01-389-2217 was assigned to the Federal Catalog?

It was assigned 32 years ago, on Wed, Apr 20, 1994