F-838031-4IN

View detailed technical data, stock status, and sourcing information for: F-838031-4IN
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Federal Supply Group

Valves

Federal Supply Classification

4820 Nonpowered Valves

National Stock Number

4820-01-313-4535

Item Name Code

05483

Assigment Date

01/09/1990 (36 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.

disk flow control device, 8 all ends bolt hole quantity, outside screw-yoke bonnet type, bolted bonnet attachment method, 100.0 fahrenheit 2nd 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
Bonnet Type: outside screw-yoke
Bonnet Attachment Method: bolted
Bolt Hole Quantity: 8 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: 4.000 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: 9.000 inches all ends
Nominal Thickness: 0.938 inches all ends
First Connection Face To Centerline Distance: 5.750 inches
Bolt Hole Nominal Diameter: 0.750 inches all ends
Second Connection Face To Centerline Distance: 5.750 inches
Bolt Circle Nominal Diameter: 7.500 inches all ends
Flange Face Design: raised straight all ends
Raised Face Nominal Height: 0.062 inches all ends
Raised Face Nominal Diameter: 6.188 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 refviewed for asbestos material;the current approved sources; 12168 have indicated their part number contained asbestos prior to 1984,they continue to manufacture the 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	Angle Valve
F-838-31-4IN	Angle Valve
F-838031-4IN	Angle Valve

FAQs

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

What is the FSCG of the NSN 4820-01-313-4535?

The FSCG of the NSN 4820-01-313-4535 is 4820

Does the NSN 4820-01-313-4535 have a Schedule B code assigned?

Yes, the Schedule B code is 8481803040

Does NSN 4820-01-313-4535 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 4820-01-313-4535 contain precious materials?

Item does not contain precious metal.

Does NSN 4820-01-313-4535 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 4820-01-313-4535 was assigned to the Federal Catalog?

It was assigned 36 years ago, on Tue, Jan 9, 1990