4820-00-825-3850

Find complete technical information, availability, and procurement data for: 4820-00-825-3850
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Federal Supply Group

Valves

Federal Supply Classification

4820 Nonpowered Valves

National Stock Number

4820-00-825-3850

Item Name Code

05488

Assigment Date

01/01/1962 (64 years ago)

right-hand 1st end thread direction, 0.250 inches 1st end nominal pipe size accommodated, threaded bonnet attachment method, inside spring bonnet type, poppet flow control device

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
Thread Direction: right-hand 1st end
Flow Control Device: poppet
Bonnet Type: inside spring
Bonnet Attachment Method: threaded
Disk Loading Method: spring
Valve Discharge Flow Rate: 32.0 cubic feet per minute
Maximum Operating Temp: 60.0 fahrenheit single 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: 160.0 pounds per square inch single response
Nominal Thread Size: 0.250 inches 1st end
Opening Pressure Setting: 100.0 pounds per square inch
Material: copper alloy overall
Media For Which Designed: air single response
Style Designator: angle
Thread Series Designator: npt 1st end

Replaces National Stock Numbers

Below is a list of NSNs that have been officially superseded by this NSN:

NSN	Name	Date
4820-00-940-1844	No Name Available	07/01/1981

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
0548-A01-KM0100	Safety Relief Valve
48 1-4	Safety Relief Valve
48A1-4	Safety Relief Valve
810508	Safety Relief Valve

FAQs

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

What is the FSCG of the NSN 4820-00-825-3850?

The FSCG of the NSN 4820-00-825-3850 is 4820

Does the NSN 4820-00-825-3850 have a Schedule B code assigned?

Yes, the Schedule B code is 8481400000

Does NSN 4820-00-825-3850 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 4820-00-825-3850 contain precious materials?

Precious metal content is unknown

Does NSN 4820-00-825-3850 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 4820-00-825-3850 was assigned to the Federal Catalog?

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