4820-01-250-1535

Find complete technical information, availability, and procurement data for: 4820-01-250-1535
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Federal Supply Group

Valves

Federal Supply Classification

4820 Nonpowered Valves

National Stock Number

4820-01-250-1535

Item Name Code

05488

Assigment Date

02/26/1987 (39 years ago)

A valve designed to control the flow of a fluid by the rotation of a ported plug or plug sector within a suitable ported seat. The plug requires lubrication for ease of operation or contains a bonded composition seal(s). See also valve, seatless and cock, plug.

-40.0 fahrenheit 1st response280.0 fahrenheit 2nd response maximum operating temp, poppet flow control device, spring disk loading method, right-hand all ends thread direction, 3a all ends thread class

Product Characteristics

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

Thread Class: 3a all ends
Thread Direction: right-hand all ends
Flow Control Device: poppet
Disk Loading Method: spring
Maximum Operating Temp: -40.0 fahrenheit 1st response280.0 fahrenheit 2nd response
Connection Style: plain (tube) all ends
Valve Operation Method: automatic
Connection Type: threaded external tube all ends
Maximum Operating Pressure: 200.0 pounds per square inch single response
Nominal Thread Size: 0.562 inches all ends
Opening Pressure Setting: 2.0 pounds per square inch
Material: aluminum body
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: fuel/oil, hydrocarbon 4th response
Media For Which Designed: helium 5th response
Surface Treatment: anodize
Style Designator: straight thru note: to be used for valve bodies of one section only.
Thread Series Designator: unjf 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
1206916	Safety Relief Valve
559A-6D-2	Safety Relief Valve
5942645	Safety Relief Valve
942645	Safety Relief Valve

FAQs

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

What is the FSCG of the NSN 4820-01-250-1535?

The FSCG of the NSN 4820-01-250-1535 is 4820

Does the NSN 4820-01-250-1535 have a Schedule B code assigned?

Yes, the Schedule B code is 8481400000

Does NSN 4820-01-250-1535 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 4820-01-250-1535 contain precious materials?

Item does not contain precious metal.

Does NSN 4820-01-250-1535 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 4820-01-250-1535 was assigned to the Federal Catalog?

It was assigned 39 years ago, on Thu, Feb 26, 1987