4820-00-086-2349

Find complete technical information, availability, and procurement data for: 4820-00-086-2349
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Federal Supply Group

Valves

Federal Supply Classification

4820 Nonpowered Valves

National Stock Number

4820-00-086-2349

Item Name Code

05488

Assigment Date

12/20/1967 (58 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.

plain (tube) 1st end connection style, poppet flow control device, 250.0 fahrenheit single response maximum operating temp, spring disk loading method, 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 Direction: right-hand all ends
Flow Control Device: poppet
Disk Loading Method: spring
Maximum Operating Temp: 250.0 fahrenheit single response
Connection Style: plain (tube) 1st end
Connection Style: plain,optional end(pipe) 2nd end
Valve Operation Method: automatic
Connection Type: threaded external pipe 1st end
Connection Type: threaded internal pipe 2nd end
Features Provided: pressure tight outlet side
Maximum Operating Pressure: 2500.0 pounds per square inch single response
Nominal Thread Size: 0.375 inches all ends
Opening Pressure Setting: 2000.0 pounds per square inch
Material: steel body
Material Document And Classification: qq-w-423,com+303 fed spec single material response body
Style Designator: straight thru note: to be used for valve bodies of separable sections.
Thread Series Designator: npt 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
5159T3MP2000	Safety Relief Valve
5159T3MPCP2000	Safety Relief Valve

FAQs

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

What is the FSCG of the NSN 4820-00-086-2349?

The FSCG of the NSN 4820-00-086-2349 is 4820

Does the NSN 4820-00-086-2349 have a Schedule B code assigned?

Yes, the Schedule B code is 8481400000

Does NSN 4820-00-086-2349 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 4820-00-086-2349 contain precious materials?

Precious metal content is unknown

Does NSN 4820-00-086-2349 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 4820-00-086-2349 was assigned to the Federal Catalog?

It was assigned 58 years ago, on Wed, Dec 20, 1967