4820-00-590-8650

Find complete technical information, availability, and procurement data for: 4820-00-590-8650
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Federal Supply Group

Valves

Federal Supply Classification

4820 Nonpowered Valves

National Stock Number

4820-00-590-8650

Item Name Code

05487

Assigment Date

01/03/1975 (51 years ago)

poppet flow control device, flared (tube) all ends connection style, spring disk loading method, 3a all ends thread class, right-hand all ends thread direction

Product Characteristics

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

Thread Class: 3a all ends
Thread Direction: right-hand all ends
Flow Control Device: poppet
Disk Loading Method: spring
Connection Style: flared (tube) all ends
Valve Operation Method: automatic
Connection Type: threaded external tube all ends
Mounting Position: horizontal or vertical
Nominal Thread Size: 0.438 inches all ends
Seat Angle: 37.0 degrees all ends
Special Features: solar p/n preceded by/solar/ shall be permantly affixed to part
Material: aluminum alloy overall
Surface Treatment: anodize
Surface Treatment Document And Classification: mil-a-8625,ty 1 mil spec single treatment response
Style Designator: straight thru
Thread Series Designator: unf all 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
5139A4TT65	Check Valve
905631C1	Check Valve

FAQs

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

What is the FSCG of the NSN 4820-00-590-8650?

The FSCG of the NSN 4820-00-590-8650 is 4820

Does the NSN 4820-00-590-8650 have a Schedule B code assigned?

Yes, the Schedule B code is 8481309000

Does NSN 4820-00-590-8650 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 4820-00-590-8650 contain precious materials?

Precious metal content is unknown

Does NSN 4820-00-590-8650 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 4820-00-590-8650 was assigned to the Federal Catalog?

It was assigned 51 years ago, on Fri, Jan 3, 1975