4820-00-504-8590

Find complete technical information, availability, and procurement data for: 4820-00-504-8590
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Federal Supply Group

Valves

Federal Supply Classification

4820 Nonpowered Valves

National Stock Number

4820-00-504-8590

Item Name Code

05488

Assigment Date

06/25/1971 (55 years ago)

gasket seal(boss) 1st end connection style, right-hand 1st end thread direction, 3b 1st end thread class, automatic valve operation method, poppet 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.

Thread Class: 3b 1st end
Thread Direction: right-hand 1st end
Flow Control Device: poppet
Connection Style: gasket seal(boss) 1st end
Valve Operation Method: automatic
Connection Type: threaded internal boss 1st end
Thread Quantity Per Inch: 18 1st end
Nominal Thread Size: 0.562 inches 1st end
Nominal Outside Diameter Tube Accommodated: 0.375 inches 1st end
Material: steel overall
Style Designator: straight thru
Thread Series Designator: unjf 1st end

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
128SCH136-3	Safety Relief Valve
72498	Safety Relief Valve

FAQs

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

What is the FSCG of the NSN 4820-00-504-8590?

The FSCG of the NSN 4820-00-504-8590 is 4820

Does the NSN 4820-00-504-8590 have a Schedule B code assigned?

Yes, the Schedule B code is 8481400000

Does NSN 4820-00-504-8590 require demilitarization?

"commerce control list items (ccli) - mut to the point of scrap required outside the united states. Inside the united states, mut is required when the demil integrity code (ic) is "3" and mut is not required when the demic is "6" (note 8)"

Does NSN 4820-00-504-8590 contain precious materials?

Item does not contain precious metal.

Does NSN 4820-00-504-8590 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 4820-00-504-8590 was assigned to the Federal Catalog?

It was assigned 55 years ago, on Fri, Jun 25, 1971