4820-01-024-2817

Find complete technical information, availability, and procurement data for: 4820-01-024-2817
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Federal Supply Group

Valves

Federal Supply Classification

4820 Nonpowered Valves

National Stock Number

4820-01-024-2817

Item Name Code

05488

Assigment Date

07/08/1976 (50 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.

spring disk loading method, 0.500 inches all ends nominal pipe size accommodated, bolted bonnet attachment method, inside spring bonnet type, disk flow control device

Product Characteristics

Below you’ll find the complete technical specifications and performance data for this part, including material details and compliance information.

Nominal Pipe Size Accommodated: 0.500 inches all ends
Flow Control Device: disk
Bonnet Type: inside spring
Bonnet Attachment Method: bolted
Disk Loading Method: spring
Maximum Operating Temp: 150.0 fahrenheit single response
End Item Identification: oliver hazard perry class ffg
Connection Style: socket with brazing ring all ends
Valve Operation Method: automatic
Connection Type: unthreaded internal pipe all ends
Adjustable Pressure Range: +181.0 to 210.0 pounds per square inch
Maximum Operating Pressure: 400.0 pounds per square inch single response
Material: copper alloy 922 body
Material: nickel alloy 400 flow control device
Material: nickel alloy 400 seat
Material: nickel alloy 400 stem
Material Document And Classification: qq-n-281 fed spec single material response flow control device
Material Document And Classification: qq-n-281 fed spec single material response seat
Material Document And Classification: qq-n-281 fed spec single material response stem
Material Document And Classification: qq-c-390,alloy d4/d/ fed spec single material response body
Media For Which Designed: water-oil-gas single response
Style Designator: angle

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
20092PT20094S41M	Safety Relief Valve
20094S41M	Safety Relief Valve

FAQs

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

What is the FSCG of the NSN 4820-01-024-2817?

The FSCG of the NSN 4820-01-024-2817 is 4820

Does the NSN 4820-01-024-2817 have a Schedule B code assigned?

Yes, the Schedule B code is 8481400000

Does NSN 4820-01-024-2817 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 4820-01-024-2817 contain precious materials?

Precious metal content is unknown

Does NSN 4820-01-024-2817 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 4820-01-024-2817 was assigned to the Federal Catalog?

It was assigned 50 years ago, on Thu, Jul 8, 1976