4820-00-755-7084

Find complete technical information, availability, and procurement data for: 4820-00-755-7084
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Federal Supply Group

Valves

Federal Supply Classification

4820 Nonpowered Valves

National Stock Number

4820-00-755-7084

Item Name Code

05488

Assigment Date

01/01/1960 (66 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, 3a 1st end thread class, 5.0 cubic feet per minute valve discharge flow rate, spring disk loading method, 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 Direction: right-hand 1st end
Flow Control Device: poppet
Disk Loading Method: spring
Valve Discharge Flow Rate: 5.0 cubic feet per minute
Connection Style: flared (tube) 1st end
Valve Operation Method: automatic
Connection Type: threaded external tube 1st end
Maximum Operating Pressure: 35.0 pounds per square inch 1st response
Nominal Thread Size: 0.562 inches 1st end
Seat Angle: 45.0 degrees 1st end
Opening Pressure Setting: 2.0 pounds per square inch
Material: aluminum alloy 2024 overall
Media For Which Designed: air single response
Style Designator: straight thru
Thread Series Designator: unjf 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
1573-2	Safety Relief Valve
1573-2-2	Safety Relief Valve

FAQs

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

What is the FSCG of the NSN 4820-00-755-7084?

The FSCG of the NSN 4820-00-755-7084 is 4820

Does the NSN 4820-00-755-7084 have a Schedule B code assigned?

Yes, the Schedule B code is 8481400000

Does NSN 4820-00-755-7084 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 4820-00-755-7084 contain precious materials?

Precious metal content is unknown

Does NSN 4820-00-755-7084 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 4820-00-755-7084 was assigned to the Federal Catalog?

It was assigned 66 years ago, on Fri, Jan 1, 1960