4820-00-068-1610

Find complete technical information, availability, and procurement data for: 4820-00-068-1610
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Federal Supply Group

Valves

Federal Supply Classification

4820 Nonpowered Valves

National Stock Number

4820-00-068-1610

Item Name Code

05488

Assigment Date

07/11/1967 (59 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, threaded bonnet attachment method, spring disk loading method, right-hand all ends thread direction, inside spring bonnet type

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
Bonnet Type: inside spring
Bonnet Attachment Method: threaded
Disk Loading Method: spring
Valve Discharge Flow Rate: 20.0 cubic feet per minute
Maximum Operating Temp: 406.0 fahrenheit single response
Connection Style: plain (pipe) 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: valve stem lock shield
Maximum Operating Pressure: 250.0 pounds per square inch single response
Nominal Thread Size: 0.500 inches 1st end
Nominal Thread Size: 0.750 inches 2nd end
Opening Pressure Setting: 15.0 pounds per square inch
Material: copper alloy 836 body
Material: copper alloy 836 seat
Material: copper alloy flow control device
Material: steel stem
Material Document And Classification: qq-c-390,alloyb5/d/ fed spec single material response body
Material Document And Classification: qq-c-390,alloyb5/d/ fed spec single material response seat
Media For Which Designed: fuel/oil, hydrocarbon single response
Style Designator: angle
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
149-1/2IN	Safety Relief Valve
2550-1-2-15	Safety Relief Valve
A22612	Safety Relief Valve

FAQs

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

What is the FSCG of the NSN 4820-00-068-1610?

The FSCG of the NSN 4820-00-068-1610 is 4820

Does the NSN 4820-00-068-1610 have a Schedule B code assigned?

Yes, the Schedule B code is 8481400000

Does NSN 4820-00-068-1610 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 4820-00-068-1610 contain precious materials?

Item does not contain precious metal.

Does NSN 4820-00-068-1610 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 4820-00-068-1610 was assigned to the Federal Catalog?

It was assigned 59 years ago, on Tue, Jul 11, 1967