4820-00-262-1081

Find complete technical information, availability, and procurement data for: 4820-00-262-1081
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Federal Supply Group

Valves

Federal Supply Classification

4820 Nonpowered Valves

National Stock Number

4820-00-262-1081

Item Name Code

05488

Assigment Date

07/13/1973 (53 years ago)

spring disk loading method, inside spring bonnet type, disk flow control device, threaded bonnet attachment method, 22.0 gallons per minute valve discharge flow rate

Product Characteristics

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

Flow Control Device: disk
Bonnet Type: inside spring
Bonnet Attachment Method: threaded
Disk Loading Method: spring
Valve Discharge Flow Rate: 22.0 gallons per minute
Renewable Seat Ring Type: threaded
Maximum Operating Temp: 150.0 fahrenheit single response
Connection Style: streamlined with two brazing rings (tube) all ends
Valve Operation Method: automatic
Connection Type: unthreaded internal tube all ends
Features Provided: bonnet packing and pressure tight outlet side
Adjustable Pressure Range: +66.0 to 75.0 pounds per square inch
Maximum Operating Pressure: 400.0 pounds per square inch single response
Nominal Outside Diameter Tube Accommodated: 0.500 inches all ends
Special Features: valve size 0.500 in. w/o silver brazing rings
Material: copper alloy 922 body
Material: steel flow control device
Material: steel seat
Material Document And Classification: astma276 assn std single material response flow control device
Material Document And Classification: astma276 assn std single material response seat
Material Document And Classification: qq-c-390,alloyd4/d/ fed spec single material response body
Media For Which Designed: water, fresh single response
Style Designator: angle
Test Data Document: "81349-mil-s-901 specification (includes engineering type bulletins, brochures,etc., that reflect specification type data in specification format; excludes commercial catalogs, industry directories, and similar trade publications, reflecting general type data on certain environmental and performance requirements and test conditions that are shown as "typical", "average", "nominal", etc.)."
Nondefinitive Spec/Std Data: b grade

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
20213KS41M	Safety Relief Valve
20213KS41M/20213/883116375	Safety Relief Valve
20213KS41MCID883116375	Safety Relief Valve
CS4820-0034	Safety Relief Valve
MILV24332GRB1/2 400-66T075SBU	Safety Relief Valve

FAQs

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

What is the FSCG of the NSN 4820-00-262-1081?

The FSCG of the NSN 4820-00-262-1081 is 4820

Does the NSN 4820-00-262-1081 have a Schedule B code assigned?

Yes, the Schedule B code is 8481400000

Does NSN 4820-00-262-1081 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 4820-00-262-1081 contain precious materials?

Precious metal content is unknown

Does NSN 4820-00-262-1081 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 4820-00-262-1081 was assigned to the Federal Catalog?

It was assigned 53 years ago, on Fri, Jul 13, 1973