4820-00-223-8957

Find complete technical information, availability, and procurement data for: 4820-00-223-8957
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Federal Supply Group

Valves

Federal Supply Classification

4820 Nonpowered Valves

National Stock Number

4820-00-223-8957

Item Name Code

05488

Assigment Date

05/17/1973 (53 years ago)

poppet flow control device, right-hand 1st end thread direction, integral bonnet attachment method, inside spring bonnet type, 3b 1st end thread class

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
Bonnet Type: inside spring
Bonnet Attachment Method: integral
Disk Loading Method: spring
Maximum Operating Temp: 250.0 fahrenheit single response
Connection Style: gasket seal(boss) 1st end
Valve Operation Method: automatic
Connection Type: threaded internal boss 1st end
Thread Quantity Per Inch: 16 1st end
Maximum Operating Pressure: 10500.0 pounds per square inch single response
Nominal Thread Size: 0.750 inches 1st end
Seat Angle: 37.0 degrees 1st end
Opening Pressure Setting: 4500.0 pounds per square inch
Nominal Outside Diameter Tube Accommodated: 0.500 inches 1st end
Material: plastic polyamide (nylon) flow control device
Material: steel comp 303 body
Material: steel comp 303 seat
Media For Which Designed: oil, hydraulic single response
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
332-2712-010	Safety Relief Valve
5377T8BBL4500	Safety Relief Valve

FAQs

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

What is the FSCG of the NSN 4820-00-223-8957?

The FSCG of the NSN 4820-00-223-8957 is 4820

Does the NSN 4820-00-223-8957 have a Schedule B code assigned?

Yes, the Schedule B code is 8481400000

Does NSN 4820-00-223-8957 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 4820-00-223-8957 contain precious materials?

Item does not contain precious metal.

Does NSN 4820-00-223-8957 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 4820-00-223-8957 was assigned to the Federal Catalog?

It was assigned 53 years ago, on Thu, May 17, 1973