4820-01-534-3639

Find complete technical information, availability, and procurement data for: 4820-01-534-3639
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Federal Supply Group

Valves

Federal Supply Classification

4820 Nonpowered Valves

National Stock Number

4820-01-534-3639

Item Name Code

20962

Assigment Date

10/19/2005 (20 years ago)

An automatic regulating device which controls the flow of fluids or gases by actuating a valve or shutter for heating or cooling purposes. May be adjustable, or set to operate at a definite pressure. Excludes:control, humidity; control, temperature indicating; and switch, thermostatic.

180.0 fahrenheit single response maximum operating temp, 0.0 fahrenheit minimum operating temp, socket all ends connection style, 0.750 inches all ends nominal pipe size accommodated, virginia class submarine 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.

Nominal Pipe Size Accommodated: 0.750 inches all ends
Maximum Operating Temp: 180.0 fahrenheit single response
Minimum Operating Temp: 0.0 fahrenheit
End Item Identification: virginia class submarine
Connection Style: socket all ends
Valve Operation Method: manual
Connection Type: unthreaded internal pipe all ends
Maximum Operating Pressure: 3000.0 pounds per square inch single response
Material: nickel alloy stem
Material: plastic seat
Material: steel corrosion resisting body
Material: steel corrosion resisting flow control device
Style Designator: straight thru
Furnished Items And Quantity: 1 locking device

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
2641-785-01 ASSY DP, A-D	Ball Valve
845-4558738 ASSY DP, A-D	Ball Valve

FAQs

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

What is the FSCG of the NSN 4820-01-534-3639?

The FSCG of the NSN 4820-01-534-3639 is 4820

Does the NSN 4820-01-534-3639 have a Schedule B code assigned?

Yes, the Schedule B code is 8481803070

Does NSN 4820-01-534-3639 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 4820-01-534-3639 contain precious materials?

Item does not contain precious metal.

Does NSN 4820-01-534-3639 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 4820-01-534-3639 was assigned to the Federal Catalog?

It was assigned 20 years ago, on Wed, Oct 19, 2005