4820-01-289-0977

Find complete technical information, availability, and procurement data for: 4820-01-289-0977
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Federal Supply Group

Valves

Federal Supply Classification

4820 Nonpowered Valves

National Stock Number

4820-01-289-0977

Item Name Code

05483

Assigment Date

11/17/1988 (37 years ago)

A valve with two connections on the run and a third and sometimes fourth connection at 90 degree (1.5708 radians) angle(s) to the run. The flow is controlled by the action of a stem which lifts a disk perpendicularly off of the center axis of its seat.

bolted bonnet attachment method, disk flow control device, 4 all ends bolt hole quantity, 100.0 fahrenheit 2nd response maximum operating temp, outside screw-yoke bonnet type

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: outside screw-yoke
Bonnet Attachment Method: bolted
Bolt Hole Quantity: 4 all ends
Maximum Operating Temp: 100.0 fahrenheit 2nd response
Maximum Operating Temp: 550.0 fahrenheit 1st response
Valve Operation Method: manual
Flange Shape: round with holes all ends
Connection Type: flange all ends
Features Provided: bonnet packing
Valve Size: 2.500 inches
Maximum Operating Pressure: 150.0 pounds per square inch 1st response
Maximum Operating Pressure: 250.0 pounds per square inch 2nd response
Nominal Outside Diameter: 7.000 inches all ends
Nominal Thickness: 0.688 inches all ends
First Connection Face To Centerline Distance: 4.250 inches
Bolt Hole Nominal Diameter: 0.750 inches all ends
Second Connection Face To Centerline Distance: 4.250 inches
Bolt Circle Nominal Diameter: 5.500 inches all ends
Flange Face Design: raised straight all ends
Raised Face Nominal Height: 0.062 inches all ends
Raised Face Nominal Diameter: 4.125 inches all ends
Material: copper alloy 694 stem
Material: copper alloy 922 flow control device
Material: copper alloy 922 seat
Material: iron cast uns f32800 body
Material: plastic polytetrafluoroethylene packing
Material Document And Classification: astm a-395 assn std single material response body
Material Document And Classification: astm b-371 alloy c69400 assn std single material response stem
Material Document And Classification: astm b-61 assn std single material response flow control device
Material Document And Classification: astm b-61 assn std single material response seat
Media For Which Designed: steam 1st response
Media For Which Designed: water-oil-gas 2nd response
Style Designator: angle flanged ends
Supplementary Features: this item has been reviewed for asbestos material;the current approved sources,12168 have indicated their part number contained asbestos prior to 1984,they continue to manufacture rhe same part number without asbestos material after 1984
Furnished Items And Quantity: 1 handwheel

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
F-838-31 2 1/2IN	Angle Valve

FAQs

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

What is the FSCG of the NSN 4820-01-289-0977?

The FSCG of the NSN 4820-01-289-0977 is 4820

Does the NSN 4820-01-289-0977 have a Schedule B code assigned?

Yes, the Schedule B code is 8481803040

Does NSN 4820-01-289-0977 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 4820-01-289-0977 contain precious materials?

Item does not contain precious metal.

Does NSN 4820-01-289-0977 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 4820-01-289-0977 was assigned to the Federal Catalog?

It was assigned 37 years ago, on Thu, Nov 17, 1988