4820-01-011-4066

Find complete technical information, availability, and procurement data for: 4820-01-011-4066
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Federal Supply Group

Valves

Federal Supply Classification

4820 Nonpowered Valves

National Stock Number

4820-01-011-4066

Item Name Code

05487

Assigment Date

10/22/1975 (50 years ago)

An item that controls the flow of a fluid by rotation of a ported plug within a suitable ported seat. It must not have any lubrication other than from the fluid controlled, nor contain any nonmetallic seal between plug and seat. See also valve, seatless and valve, plug.

right-hand 1st end thread direction, 3a 2nd end thread class, poppet flow control device, right-hand 2nd end thread direction, 3a 1st end thread class

Product Characteristics

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

Thread Class: 3a 1st end
Thread Class: 3a 2nd end
Thread Direction: right-hand 1st end
Thread Direction: right-hand 2nd end
Flow Control Device: poppet
Disk Loading Method: spring
Connection Style: flareless 1st end
Connection Style: flareless 2nd end
Valve Operation Method: automatic
Connection Type: threaded external tube 2nd end
Connection Type: threaded external tube 1st end
Mounting Position: horizontal or vertical
Thread Quantity Per Inch: 12 1st end
Thread Quantity Per Inch: 12 2nd end
Nominal Thread Size: 1.438 inches 1st end
Nominal Thread Size: 1.062 inches 2nd end
Seat Angle: 12.0 degrees 1st end
Seat Angle: 12.0 degrees 2nd end
Special Features: arrow indicating direction of flow
Material: steel corrosion resisting overall
Surface Treatment: passivate
Style Designator: straight thru
Thread Series Designator: un 1st end
Thread Series Designator: un 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
6-867-2-5	Check Valve

FAQs

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

What is the FSCG of the NSN 4820-01-011-4066?

The FSCG of the NSN 4820-01-011-4066 is 4820

Does the NSN 4820-01-011-4066 have a Schedule B code assigned?

Yes, the Schedule B code is 8481302090

Does NSN 4820-01-011-4066 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 4820-01-011-4066 contain precious materials?

Precious metal content is unknown

Does NSN 4820-01-011-4066 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 4820-01-011-4066 was assigned to the Federal Catalog?

It was assigned 50 years ago, on Wed, Oct 22, 1975