4820-00-932-0938

Find complete technical information, availability, and procurement data for: 4820-00-932-0938
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Federal Supply Group

Valves

Federal Supply Classification

4820 Nonpowered Valves

National Stock Number

4820-00-932-0938

Item Name Code

05488

Assigment Date

09/23/1966 (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.

inside spring bonnet type, bolted bonnet attachment method, spring disk loading method, threaded renewable seat ring type, 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.

Flow Control Device: poppet
Bonnet Type: inside spring
Bonnet Attachment Method: bolted
Disk Loading Method: spring
Renewable Seat Ring Type: threaded
Bolt Hole Quantity: 4 1st end
Bolt Hole Quantity: 8 2nd end
Valve Operation Method: automatic
Flange Shape: round with holes 1st end
Flange Shape: round with holes 2nd end
Connection Type: flange 1st end
Connection Type: flange 2nd end
Adjustable Pressure Range: +1290.0 to 1375.0 pounds per square inch
Opening Pressure Setting: 1300.0 pounds per square inch
Nominal Outside Diameter: 7.000 inches 1st end
Nominal Outside Diameter: 7.500 inches 2nd end
Nominal Thickness: 1.000 inches 2nd end
Nominal Thickness: 1.250 inches 1st end
Bolt Hole Nominal Diameter: 0.875 inches 2nd end
Bolt Hole Nominal Diameter: 1.125 inches 1st end
Bolt Circle Nominal Diameter: 4.875 inches 1st end
Bolt Circle Nominal Diameter: 5.875 inches 2nd end
Flange Face Design: plain 2nd end
Flange Face Design: raised straight 1st end
Raised Face Nominal Height: 0.250 inches 1st end
Raised Face Nominal Diameter: 2.875 inches 1st end
Material: steel corrosion resisting flow control device
Material: steel corrosion resisting seat
Style Designator: angle

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
36563M0D3-1300PSIG	Safety Relief Valve
A36563M0D3	Safety Relief Valve

FAQs

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

What is the FSCG of the NSN 4820-00-932-0938?

The FSCG of the NSN 4820-00-932-0938 is 4820

Does the NSN 4820-00-932-0938 have a Schedule B code assigned?

Yes, the Schedule B code is 8481400000

Does NSN 4820-00-932-0938 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 4820-00-932-0938 contain precious materials?

Item does not contain precious metal.

Does NSN 4820-00-932-0938 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 4820-00-932-0938 was assigned to the Federal Catalog?

It was assigned 59 years ago, on Fri, Sep 23, 1966