4820-00-640-5990

Find complete technical information, availability, and procurement data for: 4820-00-640-5990
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Federal Supply Group

Valves

Federal Supply Classification

4820 Nonpowered Valves

National Stock Number

4820-00-640-5990

Item Name Code

05488

Assigment Date

01/01/1963 (63 years ago)

spring disk loading method, disk flow control device, 0.500 inches all ends nominal pipe size accommodated, inside spring bonnet type, bolted bonnet attachment method

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 all ends
Flow Control Device: disk
Bonnet Type: inside spring
Bonnet Attachment Method: bolted
Disk Loading Method: spring
Maximum Operating Temp: 150.0 fahrenheit single response
Connection Style: socket all ends
Valve Operation Method: automatic
Connection Type: unthreaded internal pipe all ends
Adjustable Pressure Range: +73.0 to 103.0 pounds per square inch
Maximum Operating Pressure: 400.0 pounds per square inch single response
Material: nickel alloy flow control device
Media For Which Designed: water-oil-gas single response
Style Designator: angle
Nondefinitive Spec/Std Data: a2 type and c class

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:

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1-2UU1741T SET 75 PSI	Safety Relief Valve
20213LS41M	Safety Relief Valve
D1200B	Safety Relief Valve
D50UU-06	Safety Relief Valve

FAQs

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

What is the FSCG of the NSN 4820-00-640-5990?

The FSCG of the NSN 4820-00-640-5990 is 4820

Does the NSN 4820-00-640-5990 have a Schedule B code assigned?

Yes, the Schedule B code is 8481400000

Does NSN 4820-00-640-5990 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 4820-00-640-5990 contain precious materials?

Item does not contain precious metal.

Does NSN 4820-00-640-5990 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 4820-00-640-5990 was assigned to the Federal Catalog?

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