4820-00-802-2225

Find complete technical information, availability, and procurement data for: 4820-00-802-2225
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Federal Supply Group

Valves

Federal Supply Classification

4820 Nonpowered Valves

National Stock Number

4820-00-802-2225

Item Name Code

05488

Assigment Date

01/01/1962 (64 years ago)

3a 1st end thread class, -40.0 fahrenheit 1st response270.0 fahrenheit 2nd response maximum operating temp, spring disk loading method, poppet flow control device, right-hand 1st end 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 1st end
Thread Direction: right-hand 1st end
Flow Control Device: poppet
Disk Loading Method: spring
Maximum Operating Temp: -40.0 fahrenheit 1st response270.0 fahrenheit 2nd response
Connection Style: flared (tube) 1st end
Valve Operation Method: automatic
Connection Type: threaded external tube 1st end
Features Provided: pressure tight outlet side
Adjustable Pressure Range: +0.0 to 200.0 pounds per square inch
Maximum Operating Pressure: 200.0 pounds per square inch single response
Nominal Thread Size: 0.437 inches 1st end
Seat Angle: 37.0 degrees 1st end
Opening Pressure Setting: 15.0 pounds per square inch
Nominal Outside Diameter Tube Accommodated: 0.250 inches 1st end
Material: rubber butadiene-acrylonitrile class nbr and steel comp 303 flow control device
Material: steel comp 303 body
Material: steel comp 303 seat
Material: steel comp 303 stem
Material Document And Classification: fed std 66 fed std 2nd material response flow control device
Material Document And Classification: fed std 66 fed std single material response body
Material Document And Classification: fed std 66 fed std single material response seat
Material Document And Classification: fed std 66 fed std single material response stem
Media For Which Designed: acetylene 2nd response
Media For Which Designed: air 1st response
Media For Which Designed: ammonia, gaseous 3rd response
Media For Which Designed: hydrogen 5th response
Media For Which Designed: refrigerant 12 4th response
Style Designator: straight thru note: to be used for valve bodies of one section only.
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
2187647-1	Safety Relief Valve
559T-4D-15	Safety Relief Valve

FAQs

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

What is the FSCG of the NSN 4820-00-802-2225?

The FSCG of the NSN 4820-00-802-2225 is 4820

Does the NSN 4820-00-802-2225 have a Schedule B code assigned?

Yes, the Schedule B code is 8481400000

Does NSN 4820-00-802-2225 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 4820-00-802-2225 contain precious materials?

Precious metal content is unknown

Does NSN 4820-00-802-2225 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 4820-00-802-2225 was assigned to the Federal Catalog?

It was assigned 64 years ago, on Mon, Jan 1, 1962