4820-01-144-0263

Find complete technical information, availability, and procurement data for: 4820-01-144-0263
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Federal Supply Group

Valves

Federal Supply Classification

4820 Nonpowered Valves

National Stock Number

4820-01-144-0263

Item Name Code

05488

Assigment Date

12/13/1982 (43 years ago)

A multi-ported, nonlubricated valve designed to provide straight through flow or ability to direct a number of flows or pressure through a single valve. The flow is controlled by the rotation of a ported ball within a suitable ported seat(s). The ball is usually engaged by a stem. It is normally operated in an open or closed position. Excludes:valve, check.

250.0 fahrenheit single response maximum operating temp, plain (pipe) 1st endplain,optional end(pipe) 2nd end connection style, poppet flow control device, right-hand 1st end thread direction, right-hand 2nd end thread direction

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
Thread Direction: right-hand 2nd end
Flow Control Device: poppet
Maximum Operating Temp: 250.0 fahrenheit single response
Connection Style: plain (pipe) 1st endplain,optional end(pipe) 2nd end
Valve Operation Method: automatic
Connection Type: threaded external pipe 1st endthreaded internal pipe 2nd end
Maximum Operating Pressure: 200.0 pounds per square inch single response
Nominal Thread Size: 0.750 inches 2nd end
Nominal Thread Size: 0.750 inches 1st end
Opening Pressure Setting: 80.0 pounds per square inch
Special Features: inline type
Material: steel comp 303 overall
Material Document And Classification: aisi 303 assn std single material response overall
Media For Which Designed: acetylene 2nd response
Media For Which Designed: air 1st 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 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
559T-6MP-80	Safety Relief Valve

FAQs

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

What is the FSCG of the NSN 4820-01-144-0263?

The FSCG of the NSN 4820-01-144-0263 is 4820

Does the NSN 4820-01-144-0263 have a Schedule B code assigned?

Yes, the Schedule B code is 8481400000

Does NSN 4820-01-144-0263 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 4820-01-144-0263 contain precious materials?

Item does not contain precious metal.

Does NSN 4820-01-144-0263 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 4820-01-144-0263 was assigned to the Federal Catalog?

It was assigned 43 years ago, on Mon, Dec 13, 1982