4820-00-054-2046

Find complete technical information, availability, and procurement data for: 4820-00-054-2046
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Federal Supply Group

Valves

Federal Supply Classification

4820 Nonpowered Valves

National Stock Number

4820-00-054-2046

Item Name Code

05488

Assigment Date

05/23/1967 (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.

round with holes 1st end flange shape, disk flow control device, 6 1st end bolt hole quantity, automatic valve operation method, 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.

Flow Control Device: disk
Disk Loading Method: spring
Bolt Hole Quantity: 6 1st end
Valve Operation Method: automatic
Flange Shape: round with holes 1st end
Connection Type: flange 1st end
Nominal Outside Diameter: 4.620 inches 1st end
Nominal Thickness: 1.160 inches 1st end
Bolt Hole Nominal Diameter: 0.205 inches 1st end
Bolt Circle Nominal Diameter: 3.875 inches 1st end
Flange Face Design: plain 1st end
Special Features: cylindrical screen surrounds valve outlet
Material: plastic overall
Style Designator: straight thru w/baffle
Furnished Items And Quantity: 1 gasket

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
13217E3797	Safety Relief Valve
392780-2	Safety Relief Valve
92780-2	Safety Relief Valve

FAQs

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

What is the FSCG of the NSN 4820-00-054-2046?

The FSCG of the NSN 4820-00-054-2046 is 4820

Does the NSN 4820-00-054-2046 have a Schedule B code assigned?

Yes, the Schedule B code is 8481400000

Does NSN 4820-00-054-2046 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 4820-00-054-2046 contain precious materials?

Precious metal content is unknown

Does NSN 4820-00-054-2046 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 4820-00-054-2046 was assigned to the Federal Catalog?

It was assigned 59 years ago, on Tue, May 23, 1967