4820-00-639-9121

Find complete technical information, availability, and procurement data for: 4820-00-639-9121
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Federal Supply Group

Valves

Federal Supply Classification

4820 Nonpowered Valves

National Stock Number

4820-00-639-9121

Item Name Code

05486

Assigment Date

01/01/1963 (63 years ago)

6 1st end bolt hole quantity, spring disk loading method, bolted bonnet attachment method, exposed spring bonnet type, 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: exposed spring
Bonnet Attachment Method: bolted
Disk Loading Method: spring
Bolt Hole Quantity: 6 1st end
Valve Operation Method: manual
Flange Shape: round with holes 1st end
Connection Type: flange 1st end
Mounting Position: horizontal
Features Provided: valve stem lock shield
Valve Size: 1.500 inches
Nominal Outside Diameter: 5.938 inches 1st end
Face To Face Distance: 8.125 inches
Nominal Thickness: 0.688 inches 1st end
Bolt Hole Nominal Diameter: 0.688 inches 1st end
Bolt Circle Nominal Diameter: 4.625 inches 1st end
Flange Face Design: plain 1st end
Material: cobalt alloy seat
Material: cobalt alloy flow control device
Material: steel body
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
71-S-103	Stop-Check Valve
RS11-2 150-350FLGD	Stop-Check Valve

FAQs

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

What is the FSCG of the NSN 4820-00-639-9121?

The FSCG of the NSN 4820-00-639-9121 is 4820

Does the NSN 4820-00-639-9121 have a Schedule B code assigned?

Yes, the Schedule B code is 8481302090

Does NSN 4820-00-639-9121 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 4820-00-639-9121 contain precious materials?

Precious metal content is unknown

Does NSN 4820-00-639-9121 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 4820-00-639-9121 was assigned to the Federal Catalog?

It was assigned 63 years ago, on Tue, Jan 1, 1963