4820-01-122-9775

Find complete technical information, availability, and procurement data for: 4820-01-122-9775
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Federal Supply Group

Valves

Federal Supply Classification

4820 Nonpowered Valves

National Stock Number

4820-01-122-9775

Item Name Code

05488

Assigment Date

12/03/1981 (44 years ago)

right-hand 1st end thread direction, -40.0 fahrenheit 1st response250.0 fahrenheit 2nd response maximum operating temp, automatic valve operation method, poppet flow control device, plain (pipe) 1st end connection style

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
Maximum Operating Temp: -40.0 fahrenheit 1st response250.0 fahrenheit 2nd response
Connection Style: plain (pipe) 1st end
Valve Operation Method: automatic
Connection Type: threaded external pipe 1st end
Maximum Operating Pressure: 200.0 pounds per square inch single response
Nominal Thread Size: 0.250 inches 1st end
Opening Pressure Setting: 150.0 pounds per square inch
Special Features: pop-off type
Material: copper alloy overall
Media For Which Designed: air 1st response
Media For Which Designed: alcohol, ethyl 2nd 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: 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
310116H1	Safety Relief Valve
6447B	Safety Relief Valve

FAQs

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

What is the FSCG of the NSN 4820-01-122-9775?

The FSCG of the NSN 4820-01-122-9775 is 4820

Does the NSN 4820-01-122-9775 have a Schedule B code assigned?

Yes, the Schedule B code is 8481400000

Does NSN 4820-01-122-9775 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 4820-01-122-9775 contain precious materials?

Item does not contain precious metal.

Does NSN 4820-01-122-9775 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 4820-01-122-9775 was assigned to the Federal Catalog?

It was assigned 44 years ago, on Thu, Dec 3, 1981