4820-01-340-5752

Find complete technical information, availability, and procurement data for: 4820-01-340-5752
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Federal Supply Group

Valves

Federal Supply Classification

4820 Nonpowered Valves

National Stock Number

4820-01-340-5752

Item Name Code

05488

Assigment Date

06/17/1991 (35 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.

poppet flow control device, automatic valve operation method, right-hand all ends thread direction, 3a 1st end3b 2nd end thread class, flareless (tube) 1st endflare(tube) 2nd end connection style

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 end3b 2nd end
Thread Direction: right-hand all ends
Flow Control Device: poppet
Connection Style: flareless (tube) 1st endflare(tube) 2nd end
Valve Operation Method: automatic
Connection Type: threaded external tube 1st endthreaded internal tube 2nd end
Nominal Thread Size: 0.750 inches all ends
Seat Angle: 12.0 degrees 1st end
Opening Pressure Setting: 50.0 pounds per square inch
Nominal Outside Diameter Tube Accommodated: 0.500 inches 2nd end
Material: aluminum body
Style Designator: straight thru note: to be used for valve bodies of one section only.
Thread Series Designator: unf all 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
5159A8EB50	Safety Relief Valve
7572990	Safety Relief Valve

FAQs

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

What is the FSCG of the NSN 4820-01-340-5752?

The FSCG of the NSN 4820-01-340-5752 is 4820

Does the NSN 4820-01-340-5752 have a Schedule B code assigned?

Yes, the Schedule B code is 8481400000

Does NSN 4820-01-340-5752 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 4820-01-340-5752 contain precious materials?

Item does not contain precious metal.

Does NSN 4820-01-340-5752 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 4820-01-340-5752 was assigned to the Federal Catalog?

It was assigned 35 years ago, on Mon, Jun 17, 1991