4820-01-168-1871

Find complete technical information, availability, and procurement data for: 4820-01-168-1871
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Federal Supply Group

Valves

Federal Supply Classification

4820 Nonpowered Valves

National Stock Number

4820-01-168-1871

Item Name Code

05487

Assigment Date

12/14/1983 (42 years ago)

A valve designed to automatically release excessive pressures. It is actuated by static pressure upstream of the valve and is used as a safety valve or relief valve, and may be set to close at a predetermined pressure. It is not designed for regulation of continuously fluctuating loads. It may be inline or cartridge (manifold) design. Excludes:valve (1), relief, pressure and temperature.

plain, optional end (pipe) 1st end connection style, right-hand 2nd end thread direction, right-hand 1st end thread direction, plain (pipe) 2nd end connection style, disk flow control device

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 1st end
Thread Direction: right-hand 2nd end
Flow Control Device: disk
Connection Style: plain (pipe) 2nd end
Connection Style: plain, optional end (pipe) 1st end
Valve Operation Method: automatic
Connection Type: threaded external pipe 2nd end
Connection Type: threaded internal pipe 1st end
Mounting Position: horizontal or vertical
Nominal Thread Size: 0.500 inches 1st end
Nominal Thread Size: 0.500 inches 2nd end
Material: aluminum alloy body
Material: rubber synthetic and steel corrosion resisting flow control device
Style Designator: straight thru
Thread Series Designator: npt 2nd end
Thread Series Designator: npt 1st end

FAQs

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

What is the FSCG of the NSN 4820-01-168-1871?

The FSCG of the NSN 4820-01-168-1871 is 4820

Does the NSN 4820-01-168-1871 have a Schedule B code assigned?

Yes, the Schedule B code is 8481309000

Does NSN 4820-01-168-1871 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 4820-01-168-1871 contain precious materials?

Item does not contain precious metal.

Does NSN 4820-01-168-1871 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 4820-01-168-1871 was assigned to the Federal Catalog?

It was assigned 42 years ago, on Wed, Dec 14, 1983