4820-01-113-4542

Find complete technical information, availability, and procurement data for: 4820-01-113-4542
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Federal Supply Group

Valves

Federal Supply Classification

4820 Nonpowered Valves

National Stock Number

4820-01-113-4542

Item Name Code

05488

Assigment Date

05/27/1981 (45 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, disk flow control device, 100.0 fahrenheit single response maximum operating temp, automatic valve operation method, propulsion systems end item identification

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
Bolt Hole Quantity: 4 all ends
Maximum Operating Temp: 100.0 fahrenheit single response
End Item Identification: propulsion systems
Valve Operation Method: automatic
Flange Shape: round with holes all ends
Connection Type: flange all ends
Valve Size: 0.750 inches
Adjustable Pressure Range: +421.0 to 480.0 pounds per square inch
Maximum Operating Pressure: 720.0 pounds per square inch single response
Nominal Outside Diameter: 3.875 inches 2nd end
Nominal Outside Diameter: 4.625 inches 1st end
Nominal Thickness: 0.437 inches 2nd end
Nominal Thickness: 0.562 inches 1st end
First Connection Face To Centerline Distance: 3.250 inches
Bolt Hole Nominal Diameter: 0.500 inches 2nd end
Bolt Hole Nominal Diameter: 0.625 inches 1st end
Second Connection Face To Centerline Distance: 3.250 inches
Bolt Circle Nominal Diameter: 2.750 inches 2nd end
Bolt Circle Nominal Diameter: 3.250 inches 1st end
Flange Face Design: raised straight all ends
Raised Face Nominal Height: 0.062 inches all ends
Raised Face Nominal Diameter: 1.687 inches all ends
Material: steel body
Material: steel corrosion resisting flow control device
Material: steel corrosion resisting seat
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
9992-14-91SS	Safety Relief Valve
CGSPG11SD	Safety Relief Valve
CNCPN11JDD	Safety Relief Valve

FAQs

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

What is the FSCG of the NSN 4820-01-113-4542?

The FSCG of the NSN 4820-01-113-4542 is 4820

Does the NSN 4820-01-113-4542 have a Schedule B code assigned?

Yes, the Schedule B code is 8481400000

Does NSN 4820-01-113-4542 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 4820-01-113-4542 contain precious materials?

Item does not contain precious metal.

Does NSN 4820-01-113-4542 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 4820-01-113-4542 was assigned to the Federal Catalog?

It was assigned 45 years ago, on Wed, May 27, 1981