4820-01-141-7795

Find complete technical information, availability, and procurement data for: 4820-01-141-7795
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Federal Supply Group

Valves

Federal Supply Classification

4820 Nonpowered Valves

National Stock Number

4820-01-141-7795

Item Name Code

05488

Assigment Date

11/04/1982 (43 years ago)

A valve that controls flow by a circular disk, or a pair of semicircular disks, attached to a common spindle or lever turning on a diametral axis.

inside spring bonnet type, threaded bonnet attachment method, seawolf class ssn end item identification, 165.0 fahrenheit single response maximum operating temp, 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.

Flow Control Device: disk
Bonnet Type: inside spring
Bonnet Attachment Method: threaded
Maximum Operating Temp: 165.0 fahrenheit single response
End Item Identification: seawolf class ssn
Connection Style: streamlined with one brazing ring (tube) all ends
Valve Operation Method: automatic
Connection Type: unthreaded internal tube all ends
Adjustable Pressure Range: +58.0 to 70.0 pounds per square inch
Maximum Operating Pressure: 400.0 pounds per square inch single response
Nominal Outside Diameter Tube Accommodated: 0.500 inches 2nd end
Nominal Outside Diameter Tube Accommodated: 0.750 inches 1st end
Material: copper alloy body
Material: copper alloy flow control device
Material: steel comp 303 stem
Material: steel comp 304 seat
Material Document And Classification: aisi 303 assn std single material response stem
Material Document And Classification: astm b16 assn std single material response flow control device
Material Document And Classification: fed std 66,aisi 304/sae 30304 fed std single material response seat
Material Document And Classification: qq-c-390,alloy d4/d/ fed spec single material response body
Media For Which Designed: air 1st response
Media For Which Designed: gas, inert 2nd response
Style Designator: angle
Furnished Items And Quantity: 2 brazing ring and 2 gasket

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
20234-4-941SS	Safety Relief Valve

FAQs

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

What is the FSCG of the NSN 4820-01-141-7795?

The FSCG of the NSN 4820-01-141-7795 is 4820

Does the NSN 4820-01-141-7795 have a Schedule B code assigned?

Yes, the Schedule B code is 8481400000

Does NSN 4820-01-141-7795 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 4820-01-141-7795 contain precious materials?

Item does not contain precious metal.

Does NSN 4820-01-141-7795 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 4820-01-141-7795 was assigned to the Federal Catalog?

It was assigned 43 years ago, on Thu, Nov 4, 1982