389C.50IN 2901-

View detailed technical data, stock status, and sourcing information for: 389C.50IN 2901-
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Federal Supply Group

Valves

Federal Supply Classification

4820 Nonpowered Valves

National Stock Number

4820-01-249-9966

Item Name Code

05488

Assigment Date

02/21/1987 (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.

right-hand all ends thread direction, spring disk loading method, 300.0 fahrenheit single response maximum operating temp, plain,optional end(pipe) all ends connection style, disk 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.

Thread Direction: right-hand all ends
Flow Control Device: disk
Disk Loading Method: spring
Maximum Operating Temp: 300.0 fahrenheit single response
Connection Style: plain,optional end(pipe) all ends
Valve Operation Method: automatic
Connection Type: threaded internal pipe all ends
Adjustable Pressure Range: +2901.0 to 3450.0 pounds per square inch
Maximum Operating Pressure: 6500.0 pounds per square inch single response
Nominal Thread Size: 0.500 inches 2nd end
Nominal Thread Size: 0.750 inches 1st end
Material: steel corrosion resisting body
Media For Which Designed: air 1st response
Media For Which Designed: gas, inert 2nd response
Style Designator: angle
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
389C .50IN 2901-3450PSI C4358-1	Safety Relief Valve
389C.50IN 2901-	Safety Relief Valve

FAQs

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

What is the FSCG of the NSN 4820-01-249-9966?

The FSCG of the NSN 4820-01-249-9966 is 4820

Does the NSN 4820-01-249-9966 have a Schedule B code assigned?

Yes, the Schedule B code is 8481400000

Does NSN 4820-01-249-9966 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 4820-01-249-9966 contain precious materials?

Item does not contain precious metal.

Does NSN 4820-01-249-9966 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 4820-01-249-9966 was assigned to the Federal Catalog?

It was assigned 39 years ago, on Sat, Feb 21, 1987