4820-00-087-9583

Find complete technical information, availability, and procurement data for: 4820-00-087-9583
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Federal Supply Group

Valves

Federal Supply Classification

4820 Nonpowered Valves

National Stock Number

4820-00-087-9583

Item Name Code

05488

Assigment Date

01/01/1963 (63 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 all ends thread class, spring disk loading method, disk flow control device, 7.0 gallons per minute valve discharge flow rate, right-hand all ends 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: 3b all ends
Thread Direction: right-hand all ends
Flow Control Device: disk
Disk Loading Method: spring
Valve Discharge Flow Rate: 7.0 gallons per minute
Maximum Operating Temp: 275.0 fahrenheit single response
Connection Style: gasket seal(boss) all ends
Valve Operation Method: automatic
Connection Type: threaded internal boss all ends
Features Provided: pressure tight outlet side
Adjustable Pressure Range: +1400.0 to 2300.0 pounds per square inch
Maximum Operating Pressure: 3000.0 pounds per square inch single response
Nominal Thread Size: 0.562 inches all ends
Material: steel corrosion resisting overall
Media For Which Designed: hydraulic fluid, petroleum base single response
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
MS28893-C6	Safety Relief Valve
MS28893C61900	Safety Relief Valve

FAQs

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

What is the FSCG of the NSN 4820-00-087-9583?

The FSCG of the NSN 4820-00-087-9583 is 4820

Does the NSN 4820-00-087-9583 have a Schedule B code assigned?

Yes, the Schedule B code is 8481400000

Does NSN 4820-00-087-9583 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 4820-00-087-9583 contain precious materials?

Precious metal content is unknown

Does NSN 4820-00-087-9583 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 4820-00-087-9583 was assigned to the Federal Catalog?

It was assigned 63 years ago, on Tue, Jan 1, 1963