4820-01-180-8475

Find complete technical information, availability, and procurement data for: 4820-01-180-8475
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Federal Supply Group

Valves

Federal Supply Classification

4820 Nonpowered Valves

National Stock Number

4820-01-180-8475

Item Name Code

05483

Assigment Date

06/04/1984 (42 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 screw bonnet type, disk flow control device, 425.0 fahrenheit single response maximum operating temp, bolted bonnet attachment method, 18 1st end 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 screw
Bonnet Attachment Method: bolted
Bolt Hole Quantity: 18 1st end
Maximum Operating Temp: 425.0 fahrenheit single response
Valve Operation Method: manual
Flange Shape: round with holes 1st end
Connection Type: flange 1st end
Valve Size: 12.000 inches
Maximum Operating Pressure: 100.0 pounds per square inch single response
Nominal Outside Diameter: 17.625 inches 1st end
Nominal Thickness: 0.750 inches 1st end
First Connection Face To Centerline Distance: 13.375 inches
Bolt Hole Nominal Diameter: 0.812 inches 1st end
Second Connection Face To Centerline Distance: 13.375 inches
Bolt Circle Nominal Diameter: 16.750 inches 1st end
Flange Face Design: plain 1st end
Material: copper alloy body
Media For Which Designed: water-oil-gas single response
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
803-1385541-122	Angle Valve
803-1385541-122AF	Angle Valve

FAQs

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

What is the FSCG of the NSN 4820-01-180-8475?

The FSCG of the NSN 4820-01-180-8475 is 4820

Does the NSN 4820-01-180-8475 have a Schedule B code assigned?

Yes, the Schedule B code is 8481801010

Does NSN 4820-01-180-8475 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 4820-01-180-8475 contain precious materials?

Item does not contain precious metal.

Does NSN 4820-01-180-8475 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 4820-01-180-8475 was assigned to the Federal Catalog?

It was assigned 42 years ago, on Mon, Jun 4, 1984