MV-21F3.5 FIG 21F-CB-3

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Federal Supply Group

Valves

Federal Supply Classification

4820 Nonpowered Valves

National Stock Number

4820-01-269-8740

Item Name Code

05485

Assigment Date

12/23/1987 (38 years ago)

bolted bonnet attachment method, outside screw-yoke bonnet type, 1200.0 fahrenheit single response maximum operating temp, 8 all ends bolt hole quantity, 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: outside screw-yoke
Bonnet Attachment Method: bolted
Bolt Hole Quantity: 8 all ends
Maximum Operating Temp: 1200.0 fahrenheit single response
Valve Operation Method: manual
Flange Shape: round with holes all ends
Connection Type: flange all ends
Valve Size: 3.500 inches
Maximum Operating Pressure: 150.0 pounds per square inch single response
Nominal Outside Diameter: 8.500 inches all ends
Face To Face Distance: 10.375 inches
Nominal Thickness: 0.813 inches all ends
Bolt Hole Nominal Diameter: 0.750 inches all ends
Bolt Circle Nominal Diameter: 7.000 inches all ends
Flange Face Design: raised straight all ends
Raised Face Nominal Height: 0.063 inches
Raised Face Nominal Diameter: 5.500 inches
Material: steel body
Material: steel corrosion resisting flow control device
Material: steel corrosion resisting seat
Material: steel corrosion resisting stem
Media For Which Designed: steam single response
Style Designator: straight thru flanged ends
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
21F-CB-3 AND MV-21F3.5	Globe Valve
MV-21F3.5 FIG 21F-CB-3	Globe Valve

FAQs

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

What is the FSCG of the NSN 4820-01-269-8740?

The FSCG of the NSN 4820-01-269-8740 is 4820

Does the NSN 4820-01-269-8740 have a Schedule B code assigned?

Yes, the Schedule B code is 8481803060

Does NSN 4820-01-269-8740 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 4820-01-269-8740 contain precious materials?

Item does not contain precious metal.

Does NSN 4820-01-269-8740 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 4820-01-269-8740 was assigned to the Federal Catalog?

It was assigned 38 years ago, on Wed, Dec 23, 1987