4820-01-248-3822

Find complete technical information, availability, and procurement data for: 4820-01-248-3822
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Federal Supply Group

Valves

Federal Supply Classification

4820 Nonpowered Valves

National Stock Number

4820-01-248-3822

Item Name Code

05488

Assigment Date

01/23/1987 (39 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, spring disk loading method, threaded bonnet attachment method, disk flow control device, 4 all ends bolt hole quantity

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: disk
Bonnet Type: inside spring
Bonnet Attachment Method: threaded
Disk Loading Method: spring
Bolt Hole Quantity: 4 all ends
Maximum Operating Temp: 165.0 fahrenheit single response
Valve Operation Method: automatic
Flange Shape: round with holes all ends
Connection Type: flange all ends
Valve Size: 3.000 inches
Adjustable Pressure Range: +30.0 to 50.0 pounds per square inch
Nominal Outside Diameter: 7.500 inches all ends
Nominal Thickness: 0.625 inches all ends
First Connection Face To Centerline Distance: 5.062 inches
Bolt Hole Nominal Diameter: 0.750 inches all ends
Second Connection Face To Centerline Distance: 5.062 inches
Bolt Circle Nominal Diameter: 6.000 inches all ends
Flange Face Design: plain all ends
Material: copper alloy body
Material: rubber seat
Media For Which Designed: water, salt single response
Style Designator: angle flanged ends
Furnished Items And Quantity: 1 lever

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
1384 3IN C3286 30T50PSI	Safety Relief Valve

FAQs

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

What is the FSCG of the NSN 4820-01-248-3822?

The FSCG of the NSN 4820-01-248-3822 is 4820

Does the NSN 4820-01-248-3822 have a Schedule B code assigned?

Yes, the Schedule B code is 8481400000

Does NSN 4820-01-248-3822 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 4820-01-248-3822 contain precious materials?

Item does not contain precious metal.

Does NSN 4820-01-248-3822 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 4820-01-248-3822 was assigned to the Federal Catalog?

It was assigned 39 years ago, on Fri, Jan 23, 1987