4820-00-297-0002

Find complete technical information, availability, and procurement data for: 4820-00-297-0002
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Federal Supply Group

Valves

Federal Supply Classification

4820 Nonpowered Valves

National Stock Number

4820-00-297-0002

Item Name Code

05488

Assigment Date

10/03/1973 (52 years ago)

right-hand 2nd end thread direction, right-hand 1st end thread direction, 0.250 inches 2nd end nominal pipe size accommodated, poppet flow control device, 0.250 inches 1st end nominal pipe size accommodated

Product Characteristics

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

Nominal Pipe Size Accommodated: 0.250 inches 1st end
Nominal Pipe Size Accommodated: 0.250 inches 2nd end
Thread Direction: right-hand 1st end
Thread Direction: right-hand 2nd end
Flow Control Device: poppet
Disk Loading Method: spring
Maximum Operating Temp: -70.0 fahrenheit 1st response
Maximum Operating Temp: 450.0 fahrenheit 2nd response
Connection Style: plain (pipe) 1st end
Connection Style: plain,optional end(pipe) 2nd end
Valve Operation Method: automatic
Connection Type: threaded external pipe 1st end
Connection Type: threaded internal pipe 2nd end
Features Provided: pressure tight outlet side
Thread Quantity Per Inch: 18 2nd end
Maximum Operating Pressure: 200.0 pounds per square inch single response
Nominal Thread Size: 0.250 inches 1st end
Nominal Thread Size: 0.250 inches 2nd end
Opening Pressure Setting: 14.0 pounds per square inch
Special Features: the end connection identified above as the second end is the valve inlet
Material: steel comp 303 overall
Material Document And Classification: qq-s-764,type303-canceled fed spec single material response overall
Media For Which Designed: air 1st response
Media For Which Designed: oil, chlorinated transformer 2nd response
Media For Which Designed: oxygen, gaseous 3rd response
Thread Series Designator: npt 2nd end
Thread Series Designator: npt 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
524T-2MP-14	Safety Relief Valve
885C878P0002	Safety Relief Valve
885C878P2	Safety Relief Valve

FAQs

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

What is the FSCG of the NSN 4820-00-297-0002?

The FSCG of the NSN 4820-00-297-0002 is 4820

Does the NSN 4820-00-297-0002 have a Schedule B code assigned?

Yes, the Schedule B code is 8481400000

Does NSN 4820-00-297-0002 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 4820-00-297-0002 contain precious materials?

Precious metal content is unknown

Does NSN 4820-00-297-0002 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 4820-00-297-0002 was assigned to the Federal Catalog?

It was assigned 52 years ago, on Wed, Oct 3, 1973