4820-00-639-9811

Find complete technical information, availability, and procurement data for: 4820-00-639-9811
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Federal Supply Group

Valves

Federal Supply Classification

4820 Nonpowered Valves

National Stock Number

4820-00-639-9811

Item Name Code

05485

Assigment Date

01/01/1963 (63 years ago)

0.875 inches offset distance, threaded bonnet attachment method, needle flow control device, 0.500 inches 1st end nominal pipe size accommodated, inside screw bonnet type

Product Characteristics

Below you’ll find the complete technical specifications and performance data for this part, including material details and compliance information.

Nominal Pipe Size Accommodated: 0.500 inches 1st end
Offset Distance: 0.875 inches
Flow Control Device: needle
Bonnet Type: inside screw
Bonnet Attachment Method: threaded
Connection Style: plain (tube) 1st end
Valve Operation Method: manual
Connection Type: unthreaded internal pipe 1st end
Features Provided: valve stem lock shield and bonnet packing
Maximum Operating Pressure: 3000.0 pounds per square inch single response
Criticality Code Justification: zzzy
Media For Which Designed: water, salt single response
Style Designator: straight thru w/offset
Reference Number Differentiating Characteristics: selected and tested for nuclear propulsion plant systems

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
S4824-3271993	Globe Valve

FAQs

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

What is the FSCG of the NSN 4820-00-639-9811?

The FSCG of the NSN 4820-00-639-9811 is 4820

Does NSN 4820-00-639-9811 require demilitarization?

Usml or ccl military items - demil required. Item managers,, equipment specialists, or product specialists must furnish special demilinstructions. (note 3).

Does NSN 4820-00-639-9811 contain precious materials?

Item does not contain precious metal.

Does NSN 4820-00-639-9811 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 4820-00-639-9811 was assigned to the Federal Catalog?

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