4820-01-421-2587

Find complete technical information, availability, and procurement data for: 4820-01-421-2587
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Federal Supply Group

Valves

Federal Supply Classification

4820 Nonpowered Valves

National Stock Number

4820-01-421-2587

Item Name Code

05487

Assigment Date

11/03/1995 (30 years ago)

A valve with one inlet and one outlet connection with outlet flow parallel to inlet flow. The flow is controlled by the action of a stem which lifts the disk perpendicularly off the center axis of its seat. The stem is at a 90 degree (1.5708 radians) angle to axis of flow. Excludes:valve, stop-check; cock, shutoff, screw stem; and valve, solenoid.

automatic valve operation method, 4 all ends bolt hole quantity, 150.0 fahrenheit 2nd response maximum operating temp, disk flow control device, 406.0 fahrenheit 1st 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
Bolt Hole Quantity: 4 all ends
Maximum Operating Temp: 150.0 fahrenheit 2nd response
Maximum Operating Temp: 406.0 fahrenheit 1st response
Valve Operation Method: automatic
Flange Shape: round with holes all ends
Connection Type: flange all ends
Mounting Position: horizontal or vertical
Valve Size: 2.500 inches
Maximum Operating Pressure: 150.0 pounds per square inch 1st response
Maximum Operating Pressure: 225.0 pounds per square inch 2nd response
Nominal Outside Diameter: 7.000 inches all ends
Face To Face Distance: 8.500 inches
Nominal Thickness: 0.563 inches all ends
Bolt Hole Nominal Diameter: 0.875 inches all ends
Bolt Circle Nominal Diameter: 5.500 inches all ends
Flange Face Design: plain all ends
Material: copper alloy 836 body
Material: copper alloy 836 seat
Material: copper alloy 836 flow control device
Material Document And Classification: astm b62 assn std single material response flow control device
Material Document And Classification: astm b62 assn std single material response body
Material Document And Classification: astm b62 assn std single material response seat
Media For Which Designed: steam 1st response
Media For Which Designed: water-oil-gas 2nd response
Style Designator: straight thru flanged 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
B15SW 2 1/2IN	Check Valve
B15SW-2.50IN	Check Valve

FAQs

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

What is the FSCG of the NSN 4820-01-421-2587?

The FSCG of the NSN 4820-01-421-2587 is 4820

Does the NSN 4820-01-421-2587 have a Schedule B code assigned?

Yes, the Schedule B code is 8481301090

Does NSN 4820-01-421-2587 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 4820-01-421-2587 contain precious materials?

Item does not contain precious metal.

Does NSN 4820-01-421-2587 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 4820-01-421-2587 was assigned to the Federal Catalog?

It was assigned 30 years ago, on Fri, Nov 3, 1995