4820-01-345-5554

Find complete technical information, availability, and procurement data for: 4820-01-345-5554
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Federal Supply Group

Valves

Federal Supply Classification

4820 Nonpowered Valves

National Stock Number

4820-01-345-5554

Item Name Code

05488

Assigment Date

09/21/1991 (34 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.

4 all ends bolt hole quantity, bolted bonnet attachment method, spring disk loading method, disk flow control device, inside screw bonnet type

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 screw
Bonnet Attachment Method: bolted
Disk Loading Method: spring
Bolt Hole Quantity: 4 all ends
Valve Operation Method: automatic
Flange Shape: round with holes all ends
Connection Type: flange all ends
Valve Size: 3.000 inches
Adjustable Pressure Range: +100.0 to 111.0 pounds per square inch
Nominal Outside Diameter: 7.500 inches all ends
Nominal Thickness: 0.940 inches all ends
First Connection Face To Centerline Distance: 6.375 inches
Bolt Hole Nominal Diameter: 0.625 inches all ends
Second Connection Face To Centerline Distance: 6.125 inches
Bolt Circle Nominal Diameter: 3.000 inches all ends
Flange Face Design: raised straight all ends
Raised Face Nominal Height: 0.062 inches all ends
Raised Face Nominal Diameter: 5.000 inches all ends
Material: steel bodysteel corrosion resisting flow control devicesteel corrosion resisting stem
Style Designator: angle flanged ends

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
D-10K NMP-1524 100T111PSI	Safety Relief Valve
UCNCNN12CKKM	Safety Relief Valve

FAQs

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

What is the FSCG of the NSN 4820-01-345-5554?

The FSCG of the NSN 4820-01-345-5554 is 4820

Does the NSN 4820-01-345-5554 have a Schedule B code assigned?

Yes, the Schedule B code is 8481400000

Does NSN 4820-01-345-5554 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 4820-01-345-5554 contain precious materials?

Item does not contain precious metal.

Does NSN 4820-01-345-5554 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 4820-01-345-5554 was assigned to the Federal Catalog?

It was assigned 34 years ago, on Sat, Sep 21, 1991