4820-01-273-0493

Find complete technical information, availability, and procurement data for: 4820-01-273-0493
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Federal Supply Group

Valves

Federal Supply Classification

4820 Nonpowered Valves

National Stock Number

4820-01-273-0493

Item Name Code

05488

Assigment Date

02/19/1988 (38 years ago)

right-hand all ends thread direction, disk flow control device, plain (pipe) 1st end connection style, plain,optional end(pipe) 2nd end connection style, 165.0 fahrenheit single response maximum operating temp

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 all ends
Flow Control Device: disk
Maximum Operating Temp: 165.0 fahrenheit single 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
Nominal Thread Size: 0.250 inches all ends
Opening Pressure Setting: 250.0 pounds per square inch
Special Features: valve size is 0.250 in.
Material: copper alloy body
Media For Which Designed: air 1st response
Media For Which Designed: hydrogen 2nd response
Media For Which Designed: nitrogen, gaseous 3rd response
Media For Which Designed: oxygen, gaseous 4th response
Style Designator: straight thru note: to be used for valve bodies of one section only.
Thread Series Designator: npt all ends

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
3127G 1/4IN.	Safety Relief Valve

FAQs

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

What is the FSCG of the NSN 4820-01-273-0493?

The FSCG of the NSN 4820-01-273-0493 is 4820

Does the NSN 4820-01-273-0493 have a Schedule B code assigned?

Yes, the Schedule B code is 8481400000

Does NSN 4820-01-273-0493 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 4820-01-273-0493 contain precious materials?

Item does not contain precious metal.

Does NSN 4820-01-273-0493 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 4820-01-273-0493 was assigned to the Federal Catalog?

It was assigned 38 years ago, on Fri, Feb 19, 1988