4820-00-015-6231

Find complete technical information, availability, and procurement data for: 4820-00-015-6231
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Federal Supply Group

Valves

Federal Supply Classification

4820 Nonpowered Valves

National Stock Number

4820-00-015-6231

Item Name Code

05488

Assigment Date

04/20/1967 (59 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.

poppet flow control device, inside spring bonnet type, right-hand 1st end thread direction, 3a 1st end thread class, integral bonnet attachment method

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 1st end
Thread Direction: right-hand 1st end
Flow Control Device: poppet
Bonnet Type: inside spring
Bonnet Attachment Method: integral
Disk Loading Method: spring
Maximum Operating Temp: -54.0 celsius 1st response
Maximum Operating Temp: 110.0 celsius 2nd response
Connection Style: external seat for gasket seal (boss) 1st end
Valve Operation Method: automatic
Connection Type: threaded external boss 1st end
Features Provided: valve stem lock shield
Maximum Operating Pressure: 50.0 pounds per square inch single response
Nominal Thread Size: 0.562 inches 1st end
Nominal Outside Diameter Tube Accommodated: 0.375 inches 1st end
Material: aluminum alloy 2024 overall
Material Document And Classification: qq-a-225/6,alloy2024,t4 fed spec single material response overall
Media For Which Designed: air single response
Surface Treatment: anodize
Surface Treatment Document And Classification: mil-a-8625,type1,class1 mil spec single treatment response
Style Designator: straight thru
Test Data Document: 18876-10177850 drawing (this is the basic governing drawing, such as a contractor drawing, original equipment manufacturer drawing, etc.; excludes any specification, standard or other document that may be referenced in a basic governing drawing)
Thread Series Designator: unf 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
10177850	Safety Relief Valve
P491	Safety Relief Valve

FAQs

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

What is the FSCG of the NSN 4820-00-015-6231?

The FSCG of the NSN 4820-00-015-6231 is 4820

Does the NSN 4820-00-015-6231 have a Schedule B code assigned?

Yes, the Schedule B code is 8481400000

Does NSN 4820-00-015-6231 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 4820-00-015-6231 contain precious materials?

Precious metal content is unknown

Does NSN 4820-00-015-6231 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 4820-00-015-6231 was assigned to the Federal Catalog?

It was assigned 59 years ago, on Thu, Apr 20, 1967