V20393

View detailed technical data, stock status, and sourcing information for: V20393
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Federal Supply Group

Valves

Federal Supply Classification

4820 Nonpowered Valves

National Stock Number

4820-01-570-9839

Item Name Code

05488

Assigment Date

01/21/2009 (17 years ago)

An enclosed item consisting of one or more connector, receptacle, electrical, mounted on a common mounting. It is designed to be electrically connected to a power supply cable or cord which may be included. It may consist of one or more of the following accessories in various combinations; alarms, circuit breakers, switches and the like that control/protect the device. It may be permanently mounted.

spring disk loading method, p/n 14398.3 1000 lb recovery cylinder, dot4bw260 end item identification, right-hand all ends thread direction, threaded internal pipe all ends connection type, automatic valve operation 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
Disk Loading Method: spring
End Item Identification: p/n 14398.3 1000 lb recovery cylinder, dot4bw260
Valve Operation Method: automatic
Connection Type: threaded internal pipe all ends
Adjustable Pressure Range: +420.0 to 450.0 pounds per square inch
Nominal Thread Size: 1.000 inches all ends
Part Name Assigned By Controlling Agency: valve 1 inch npt relief
Special Features: flow medium: refrigerant
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
V20393	Safety Relief Valve

FAQs

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

What is the FSCG of the NSN 4820-01-570-9839?

The FSCG of the NSN 4820-01-570-9839 is 4820

Does the NSN 4820-01-570-9839 have a Schedule B code assigned?

Yes, the Schedule B code is 8481400000

Does NSN 4820-01-570-9839 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 4820-01-570-9839 contain precious materials?

Item does not contain precious metal.

Does NSN 4820-01-570-9839 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 4820-01-570-9839 was assigned to the Federal Catalog?

It was assigned 17 years ago, on Wed, Jan 21, 2009