4820-00-006-4010

Find complete technical information, availability, and procurement data for: 4820-00-006-4010
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Federal Supply Group

Valves

Federal Supply Classification

4820 Nonpowered Valves

National Stock Number

4820-00-006-4010

Item Name Code

05488

Assigment Date

06/19/1972 (54 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.

right-hand 1st end thread direction, poppet flow control device, 250.0 fahrenheit single response maximum operating temp, plain (pipe) 1st end connection style, 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 1st end
Flow Control Device: poppet
Disk Loading Method: spring
Maximum Operating Temp: 250.0 fahrenheit single response
Connection Style: plain (pipe) 1st end
Valve Operation Method: automatic
Connection Type: threaded external pipe 1st end
Maximum Operating Pressure: 200.0 pounds per square inch single response
Nominal Thread Size: 0.125 inches 1st end
Opening Pressure Setting: 90.0 pounds per square inch
Special Features: pop-off type
Material: aluminum alloy body lining
Material Document And Classification: qq-a-628,alloy2024 fed spec single material response body lining
Media For Which Designed: acetylene 2nd response
Media For Which Designed: air 1st response
Media For Which Designed: ammonia, gaseous 3rd response
Media For Which Designed: hydrogen 5th response
Media For Which Designed: refrigerant 12 4th response
Style Designator: straight thru note: to be used for valve bodies of one section only.
Thread Series Designator: npt 1st 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
559A-1M-90	Safety Relief Valve
632869	Safety Relief Valve
632869-10	Safety Relief Valve
7LV221-90	Safety Relief Valve

FAQs

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

What is the FSCG of the NSN 4820-00-006-4010?

The FSCG of the NSN 4820-00-006-4010 is 4820

Does the NSN 4820-00-006-4010 have a Schedule B code assigned?

Yes, the Schedule B code is 8481400000

Does NSN 4820-00-006-4010 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 4820-00-006-4010 contain precious materials?

Precious metal content is unknown

Does NSN 4820-00-006-4010 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 4820-00-006-4010 was assigned to the Federal Catalog?

It was assigned 54 years ago, on Mon, Jun 19, 1972