4820-01-421-3479

Find complete technical information, availability, and procurement data for: 4820-01-421-3479
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Federal Supply Group

Valves

Federal Supply Classification

4820 Nonpowered Valves

National Stock Number

4820-01-421-3479

Item Name Code

05485

Assigment Date

11/06/1995 (30 years ago)

425.0 fahrenheit single response maximum operating temp, 8 all ends bolt hole quantity, disk flow control device, bolted bonnet attachment method, 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: 8 all ends
Maximum Operating Temp: 425.0 fahrenheit single response
End Item Identification: osprey class mhc
Valve Operation Method: manual
Flange Shape: round with holes all ends
Connection Type: flange all ends
Valve Size: 4.000 inches
Maximum Operating Pressure: 250.0 pounds per square inch single response
Nominal Outside Diameter: 7.688 inches all ends
Face To Face Distance: 11.875 inches
Nominal Thickness: 1.000 inches all ends
Bolt Hole Nominal Diameter: 0.688 inches all ends
Bolt Circle Nominal Diameter: 6.562 inches all ends
Flange Face Design: plain all ends
Special Features: stop check type valve
Material: copper alloy body
Material: copper alloy flow control device
Material: nickel alloy seat
Material: nickel alloy stem
Media For Which Designed: water-oil-gas single 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
15-3 ASSEMBLY 15-3-0400	Globe Valve
15-3-0400	Globe Valve

FAQs

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

What is the FSCG of the NSN 4820-01-421-3479?

The FSCG of the NSN 4820-01-421-3479 is 4820

Does the NSN 4820-01-421-3479 have a Schedule B code assigned?

Yes, the Schedule B code is 8481801070

Does NSN 4820-01-421-3479 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 4820-01-421-3479 contain precious materials?

Item does not contain precious metal.

Does NSN 4820-01-421-3479 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 4820-01-421-3479 was assigned to the Federal Catalog?

It was assigned 30 years ago, on Mon, Nov 6, 1995