4820-01-216-4045

Find complete technical information, availability, and procurement data for: 4820-01-216-4045
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Federal Supply Group

Valves

Federal Supply Classification

4820 Nonpowered Valves

National Stock Number

4820-01-216-4045

Item Name Code

05488

Assigment Date

09/10/1985 (40 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.

spring disk loading method, disk flow control device, 8 1st end bolt hole quantity, 4 2nd end bolt hole quantity, 450.0 fahrenheit single response maximum operating temp

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: 4 2nd end
Bolt Hole Quantity: 8 1st end
Maximum Operating Temp: 450.0 fahrenheit single response
Valve Operation Method: automatic
Flange Shape: round with holes all ends
Connection Type: flange all ends
Adjustable Pressure Range: +110.0 to 121.0 pounds per square inch
Maximum Operating Pressure: 150.0 pounds per square inch single response
Nominal Outside Diameter: 7.500 inches 2nd end
Nominal Outside Diameter: 9.000 inches 1st end
Nominal Thickness: 0.750 inches 2nd end
Nominal Thickness: 0.938 inches 1st end
Bolt Hole Nominal Diameter: 0.625 inches all ends
Bolt Circle Nominal Diameter: 6.000 inches 2nd end
Bolt Circle Nominal Diameter: 7.500 inches 1st end
Flange Face Design: raised straight all ends
Raised Face Nominal Height: 0.062 inches all ends
Raised Face Nominal Diameter: 5.000 inches 2nd end
Raised Face Nominal Diameter: 6.188 inches 1st end
Material: steel 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
1905-30LC 110T 121PSI	Safety Relief Valve

FAQs

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

What is the FSCG of the NSN 4820-01-216-4045?

The FSCG of the NSN 4820-01-216-4045 is 4820

Does the NSN 4820-01-216-4045 have a Schedule B code assigned?

Yes, the Schedule B code is 8481400000

Does NSN 4820-01-216-4045 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 4820-01-216-4045 contain precious materials?

Item does not contain precious metal.

Does NSN 4820-01-216-4045 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 4820-01-216-4045 was assigned to the Federal Catalog?

It was assigned 40 years ago, on Tue, Sep 10, 1985