4820-00-273-9934

Find complete technical information, availability, and procurement data for: 4820-00-273-9934
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Federal Supply Group

Valves

Federal Supply Classification

4820 Nonpowered Valves

National Stock Number

4820-00-273-9934

Item Name Code

05487

Assigment Date

01/01/1961 (65 years ago)

150.0 fahrenheit 2nd response maximum operating temp, threaded renewable seat ring type, disk flow control device, 8 all ends bolt hole quantity, 450.0 fahrenheit single response maximum operating temp

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
Renewable Seat Ring Type: threaded
Bolt Hole Quantity: 8 all ends
Maximum Operating Temp: 150.0 fahrenheit 2nd response
Maximum Operating Temp: 450.0 fahrenheit single response
Valve Operation Method: automatic
Flange Shape: round with holes all ends
Connection Type: flange all ends
Mounting Position: horizontal
Valve Size: 8.000 inches
Maximum Operating Pressure: 125.0 pounds per square inch 1st response
Maximum Operating Pressure: 200.0 pounds per square inch 2nd response
Nominal Outside Diameter: 13.500 inches all ends
Face To Face Distance: 19.500 inches
Nominal Thickness: 0.938 inches all ends
Bolt Hole Nominal Diameter: 0.875 inches all ends
Bolt Circle Nominal Diameter: 11.750 inches all ends
Flange Face Design: plain all ends
Material: copper alloy flow control device
Material: copper alloy seat
Material: iron cast body
Media For Which Designed: steam 1st response
Media For Which Designed: water-oil-gas 2nd response
Style Designator: straight thru flanged ends

Replaces National Stock Numbers

Below is a list of NSNs that have been officially superseded by this NSN:

NSN	Name	Date
4820-00-857-3208	No Name Available	06/01/1992

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
8928F	Check Valve
F-018-B	Check Valve
F-918-B	Check Valve
F-918-B8	Check Valve
M928F	Check Valve

FAQs

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

What is the FSCG of the NSN 4820-00-273-9934?

The FSCG of the NSN 4820-00-273-9934 is 4820

Does the NSN 4820-00-273-9934 have a Schedule B code assigned?

Yes, the Schedule B code is 8481302010

Does NSN 4820-00-273-9934 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 4820-00-273-9934 contain precious materials?

Item does not contain precious metal.

Does NSN 4820-00-273-9934 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 4820-00-273-9934 was assigned to the Federal Catalog?

It was assigned 65 years ago, on Sun, Jan 1, 1961