4820-01-248-1431

Find complete technical information, availability, and procurement data for: 4820-01-248-1431
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Federal Supply Group

Valves

Federal Supply Classification

4820 Nonpowered Valves

National Stock Number

4820-01-248-1431

Item Name Code

05488

Assigment Date

01/16/1987 (39 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.

8 1st end bolt hole quantity, manual valve operation method, -20.0 fahrenheit minimum operating temp, 450.0 fahrenheit single response maximum operating temp, 4 2nd 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.

Bolt Hole Quantity: 4 2nd end
Bolt Hole Quantity: 8 1st end
Maximum Operating Temp: 450.0 fahrenheit single response
Minimum Operating Temp: -20.0 fahrenheit
Valve Operation Method: manual
Flange Shape: round with holes all ends
Connection Type: flange all ends
Valve Size: 3.000 inches
Opening Pressure Setting: 45.0 pounds per square inch
Nominal Outside Diameter: 7.500 inches 2nd end
Nominal Outside Diameter: 9.000 inches 1st end
Bolt Hole Nominal Diameter: 0.750 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
Material: steel body
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
26KA10-170 44T5	Safety Relief Valve
26KA10-170-45PSI	Safety Relief Valve

FAQs

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

What is the FSCG of the NSN 4820-01-248-1431?

The FSCG of the NSN 4820-01-248-1431 is 4820

Does the NSN 4820-01-248-1431 have a Schedule B code assigned?

Yes, the Schedule B code is 8481400000

Does NSN 4820-01-248-1431 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 4820-01-248-1431 contain precious materials?

Item does not contain precious metal.

Does NSN 4820-01-248-1431 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 4820-01-248-1431 was assigned to the Federal Catalog?

It was assigned 39 years ago, on Fri, Jan 16, 1987