4820-01-075-6203

Find complete technical information, availability, and procurement data for: 4820-01-075-6203
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Federal Supply Group

Valves

Federal Supply Classification

4820 Nonpowered Valves

National Stock Number

4820-01-075-6203

Item Name Code

05483

Assigment Date

04/24/1979 (47 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.

3b 2nd end thread class, right-hand 2nd end thread direction, 3a 1st end thread class, needle flow control device, right-hand 1st end thread direction

Product Characteristics

Below you’ll find the complete technical specifications and performance data for this part, including material details and compliance information.

Thread Class: 3a 1st end
Thread Class: 3b 2nd end
Thread Direction: right-hand 1st end
Thread Direction: right-hand 2nd end
Flow Control Device: needle
Bonnet Type: inside screw
Bonnet Attachment Method: threaded
Connection Style: flared (tube) 1st end
Connection Style: gasket seal(boss) 2nd end
Valve Operation Method: manual
Connection Type: threaded external tube 1st end
Connection Type: threaded internal boss 2nd end
Maximum Operating Pressure: 1500.0 pounds per square inch 1st response
Maximum Operating Pressure: 1500.0 pounds per square inch 2nd response
Nominal Thread Size: 0.312 inches 2nd end
Nominal Thread Size: 0.375 inches 1st end
Seat Angle: 45.0 degrees 1st end
Material: copper alloy body
Material: steel comp 1117 stem
Material Document And Classification: 66 fed std single material response stem
Material Document And Classification: qq-b-626 fed spec single material response body
Media For Which Designed: air 1st response
Media For Which Designed: water-oil-gas 2nd response
Style Designator: angle
Thread Series Designator: unef 2nd end
Thread Series Designator: unf 1st end

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
9112099	Angle Valve

FAQs

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

What is the FSCG of the NSN 4820-01-075-6203?

The FSCG of the NSN 4820-01-075-6203 is 4820

Does NSN 4820-01-075-6203 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 4820-01-075-6203 contain precious materials?

Precious metal content is unknown

Does NSN 4820-01-075-6203 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 4820-01-075-6203 was assigned to the Federal Catalog?

It was assigned 47 years ago, on Tue, Apr 24, 1979