4771 PIECE 3

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Federal Supply Group

Valves

Federal Supply Classification

4820 Nonpowered Valves

National Stock Number

4820-01-119-9009

Item Name Code

05487

Assigment Date

10/07/1981 (44 years ago)

A valve having two or more ports with valve stem or pilot needle in a normally open or closed position. It is specifically designed to stop or start or change the flow of fluid by means of the magnetic action of an electric coil on a moveable core or plunger. The valve may be equipped with a manual opening or closing device. For items with three or more ports that utilize a reciprocating slide with recess areas which mate with ports in an integral or replaceable ported sleeve, see valve (1), linear, directional control. It may be inline or cartridge (manifold) design. Excludes:valve (1), butterfly.

disk flow control device, right-hand all ends thread direction, plain, optional end (pipe) all ends connection style, automatic valve operation method, spring disk loading 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
Flow Control Device: disk
Disk Loading Method: spring
Connection Style: plain, optional end (pipe) all ends
Valve Operation Method: automatic
Connection Type: threaded internal pipe all ends
Mounting Position: horizontal or vertical
Maximum Operating Pressure: 150.0 pounds per square inch 1st response
Maximum Operating Pressure: 300.0 pounds per square inch 2nd response
Nominal Thread Size: 0.750 inches all ends
Material: copper alloy body
Material: plastic polychlorotrifluoroethylene body lining
Media For Which Designed: steam 1st response
Media For Which Designed: water-oil-gas 2nd response
Style Designator: straight thru
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
230-70 3/4	Check Valve
4743B	Check Valve
4771	Check Valve
4771 PIECE 2	Check Valve
4771 PIECE 3	Check Valve
4820PL1261789	Check Valve

FAQs

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

What is the FSCG of the NSN 4820-01-119-9009?

The FSCG of the NSN 4820-01-119-9009 is 4820

Does the NSN 4820-01-119-9009 have a Schedule B code assigned?

Yes, the Schedule B code is 8481301090

Does NSN 4820-01-119-9009 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 4820-01-119-9009 contain precious materials?

Item does not contain precious metal.

Does NSN 4820-01-119-9009 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 4820-01-119-9009 was assigned to the Federal Catalog?

It was assigned 44 years ago, on Wed, Oct 7, 1981