525830

View detailed technical data, stock status, and sourcing information for: 525830
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Federal Supply Group

Valves

Federal Supply Classification

4820 Nonpowered Valves

National Stock Number

4820-00-878-1214

Item Name Code

05487

Assigment Date

01/01/1960 (66 years ago)

automatic valve operation method, right-hand 1st end thread direction, poppet flow control device, 3a 1st end thread class, flared (tube) 1st end connection style

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 1st end
Thread Direction: right-hand 1st end
Flow Control Device: poppet
Connection Style: flared (tube) 1st end
Valve Operation Method: automatic
Connection Type: threaded external tube 1st end
Mounting Position: horizontal
Thread Quantity Per Inch: 20 1st end
Nominal Thread Size: 0.438 inches 1st end
Seat Angle: 37.0 degrees 1st end
Nominal Outside Diameter Tube Accommodated: 0.250 inches 1st end
Material: steel corrosion resisting overall
Surface Treatment: passivate
Style Designator: straight thru
Thread Series Designator: unf 1st end

Replaces National Stock Numbers

Below is a list of NSNs that have been officially superseded by this NSN:

NSN	Name	Date
4820-00-203-7717	No Name Available	12/01/1996

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
525830	Check Valve

FAQs

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

What is the FSCG of the NSN 4820-00-878-1214?

The FSCG of the NSN 4820-00-878-1214 is 4820

Does the NSN 4820-00-878-1214 have a Schedule B code assigned?

Yes, the Schedule B code is 8481302090

Does NSN 4820-00-878-1214 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 4820-00-878-1214 contain precious materials?

Item does not contain precious metal.

Does NSN 4820-00-878-1214 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 4820-00-878-1214 was assigned to the Federal Catalog?

It was assigned 66 years ago, on Fri, Jan 1, 1960