4820-01-195-8422

Find complete technical information, availability, and procurement data for: 4820-01-195-8422
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Federal Supply Group

Valves

Federal Supply Classification

4820 Nonpowered Valves

National Stock Number

4820-01-195-8422

Item Name Code

05487

Assigment Date

12/04/1984 (41 years ago)

A valve permitting flow in one direction only. It does not have a stem, except when equipped with a lever and weight and has no pressure adjustment. It may be inline or cartridge (manifold) design.

disk flow control device, flare (tube) 2nd end connection style, right-hand all ends thread direction, 3b 2nd end thread class, plain (hose) 1st end connection style

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 2nd end
Thread Direction: right-hand all ends
Flow Control Device: disk
Connection Style: flare (tube) 2nd end
Connection Style: plain (hose) 1st end
Valve Operation Method: automatic
Connection Type: threaded external hose 1st end
Connection Type: threaded internal tube 2nd end
Mounting Position: horizontal or vertical
Thread Quantity Per Inch: 11-1/2 1st end
Nominal Thread Size: 0.562 inches all ends
Material: copper alloy body
Media For Which Designed: oxygen, gaseous single response
Style Designator: straight thru
Thread Series Designator: nh 1st end
Thread Series Designator: unf 2nd 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
639110	Check Valve
7957A1	Check Valve

FAQs

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

What is the FSCG of the NSN 4820-01-195-8422?

The FSCG of the NSN 4820-01-195-8422 is 4820

Does NSN 4820-01-195-8422 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 4820-01-195-8422 contain precious materials?

Item does not contain precious metal.

Does NSN 4820-01-195-8422 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 4820-01-195-8422 was assigned to the Federal Catalog?

It was assigned 41 years ago, on Tue, Dec 4, 1984