4820-01-162-0070

Find complete technical information, availability, and procurement data for: 4820-01-162-0070
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Federal Supply Group

Valves

Federal Supply Classification

4820 Nonpowered Valves

National Stock Number

4820-01-162-0070

Item Name Code

05488

Assigment Date

09/13/1983 (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.

spring disk loading method, 225.0 fahrenheit single response maximum operating temp, right-hand all ends thread direction, plain (pipe) 2nd end connection style, poppet 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 all ends
Flow Control Device: poppet
Disk Loading Method: spring
Maximum Operating Temp: 225.0 fahrenheit single response
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
Features Provided: pressure tight outlet side
Maximum Operating Pressure: 3600.0 pounds per square inch single response
Nominal Thread Size: 0.125 inches all ends
Opening Pressure Setting: 35.0 pounds per square inch
Material: copper alloy body
Material: rubber seat
Material: steel comp 316 flow control device
Media For Which Designed: water-oil-gas single response
Style Designator: angle
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
631B-2-1/8-2	Safety Relief Valve

FAQs

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

What is the FSCG of the NSN 4820-01-162-0070?

The FSCG of the NSN 4820-01-162-0070 is 4820

Does the NSN 4820-01-162-0070 have a Schedule B code assigned?

Yes, the Schedule B code is 8481400000

Does NSN 4820-01-162-0070 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 4820-01-162-0070 contain precious materials?

Item does not contain precious metal.

Does NSN 4820-01-162-0070 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 4820-01-162-0070 was assigned to the Federal Catalog?

It was assigned 42 years ago, on Tue, Sep 13, 1983