4820-01-397-7839

Find complete technical information, availability, and procurement data for: 4820-01-397-7839
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Federal Supply Group

Valves

Federal Supply Classification

4820 Nonpowered Valves

National Stock Number

4820-01-397-7839

Item Name Code

05488

Assigment Date

10/20/1994 (31 years ago)

20.0 gallons per minute valve discharge flow rate, disk flow control device, right-hand all ends thread direction, 3b all ends thread class, 1730-01-272-4402 end item identification

Product Characteristics

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

Thread Class: 3b all ends
Thread Direction: right-hand all ends
Flow Control Device: disk
Valve Discharge Flow Rate: 20.0 gallons per minute
End Item Identification: 1730-01-272-4402
Connection Style: gasket seal(boss) all ends
Valve Operation Method: automatic
Connection Type: threaded internal boss all ends
Thread Quantity Per Inch: 12 all ends
Nominal Thread Size: 1.312 inches all ends
Material: aluminum alloy body
Media For Which Designed: air 1st response
Media For Which Designed: water-oil-gas 2nd response
Style Designator: angle
Thread Series Designator: un 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
76913-21	Safety Relief Valve

FAQs

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

What is the FSCG of the NSN 4820-01-397-7839?

The FSCG of the NSN 4820-01-397-7839 is 4820

Does the NSN 4820-01-397-7839 have a Schedule B code assigned?

Yes, the Schedule B code is 8481400000

Does NSN 4820-01-397-7839 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 4820-01-397-7839 contain precious materials?

Item does not contain precious metal.

Does NSN 4820-01-397-7839 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 4820-01-397-7839 was assigned to the Federal Catalog?

It was assigned 31 years ago, on Thu, Oct 20, 1994