4820-01-167-0820

Find complete technical information, availability, and procurement data for: 4820-01-167-0820
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Federal Supply Group

Valves

Federal Supply Classification

4820 Nonpowered Valves

National Stock Number

4820-01-167-0820

Item Name Code

05487

Assigment Date

11/22/1983 (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.

flared (tube) 2nd end connection style, right-hand 2nd end thread direction, 3a 2nd end thread class, poppet flow control device, plain (tube) 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: 3a 2nd end
Thread Direction: right-hand 2nd end
Flow Control Device: poppet
Connection Style: flared (tube) 2nd end
Connection Style: plain (tube) 1st end
Valve Operation Method: automatic
Connection Type: threaded external tube 2nd end
Connection Type: unthreaded internal tube 1st end
Mounting Position: horizontal
Nominal Thread Size: 0.750 inches 2nd end
Seat Angle: 37.0 degrees 2nd end
Nominal Outside Diameter Tube Accommodated: 0.500 inches 1st end
Material: steel comp 303 body
Material Document And Classification: aisi 303 assn std single material response body
Style Designator: straight thru
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
216T-8BT(L)-3	Check Valve

FAQs

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

What is the FSCG of the NSN 4820-01-167-0820?

The FSCG of the NSN 4820-01-167-0820 is 4820

Does the NSN 4820-01-167-0820 have a Schedule B code assigned?

Yes, the Schedule B code is 8481302090

Does NSN 4820-01-167-0820 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 4820-01-167-0820 contain precious materials?

Item does not contain precious metal.

Does NSN 4820-01-167-0820 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 4820-01-167-0820 was assigned to the Federal Catalog?

It was assigned 42 years ago, on Tue, Nov 22, 1983