4820-00-840-4286

Find complete technical information, availability, and procurement data for: 4820-00-840-4286
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Federal Supply Group

Valves

Federal Supply Classification

4820 Nonpowered Valves

National Stock Number

4820-00-840-4286

Item Name Code

05488

Assigment Date

01/01/1962 (64 years ago)

poppet flow control device, right-hand 1st end thread direction, inside screw bonnet type, integral bonnet attachment method, spring disk loading method

Product Characteristics

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

Thread Direction: right-hand 1st end
Flow Control Device: poppet
Bonnet Type: inside screw
Bonnet Attachment Method: integral
Disk Loading Method: spring
Valve Discharge Flow Rate: 118.0 cubic feet per minute
Maximum Operating Temp: 250.0 fahrenheit 1st response
End Item Identification: grumman; a10 aircraft
Connection Style: plain (pipe) 1st end
Valve Operation Method: automatic or manual
Connection Type: threaded external pipe 1st end
Features Provided: valve stem lock shield
Maximum Operating Pressure: 225.0 pounds per square inch single response
Nominal Thread Size: 0.250 inches 1st end
Opening Pressure Setting: 220.0 pounds per square inch
Material: copper alloy overall
Media For Which Designed: air 1st response
Media For Which Designed: fuel/oil, hydrocarbon 2nd response
Style Designator: angle
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
112C1-4-220PDI	Safety Relief Valve
112CSS-4-220	Safety Relief Valve
48A1-4IN220PSI	Safety Relief Valve

FAQs

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

What is the FSCG of the NSN 4820-00-840-4286?

The FSCG of the NSN 4820-00-840-4286 is 4820

Does the NSN 4820-00-840-4286 have a Schedule B code assigned?

Yes, the Schedule B code is 8481400000

Does NSN 4820-00-840-4286 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 4820-00-840-4286 contain precious materials?

Precious metal content is unknown

Does NSN 4820-00-840-4286 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 4820-00-840-4286 was assigned to the Federal Catalog?

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