4820-00-139-4551

Find complete technical information, availability, and procurement data for: 4820-00-139-4551
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Federal Supply Group

Valves

Federal Supply Classification

4820 Nonpowered Valves

National Stock Number

4820-00-139-4551

Item Name Code

05490

Assigment Date

08/18/1971 (54 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.

two-way two port 90 degree plug turn flow style, threaded internal pipe all ends connection type, right-hand all ends thread direction, manual valve operation method, plain,optional end(pipe) all ends 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 all ends
Flow Style: two-way two port 90 degree plug turn
Connection Style: plain,optional end(pipe) all ends
Valve Operation Method: manual
Connection Type: threaded internal pipe all ends
Maximum Operating Pressure: 200.0 pounds per square inch single response
Nominal Thread Size: 1.500 inches all ends
Material: steel overall
Media For Which Designed: water-oil-gas single response
Surface Treatment: paint
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
23-503A	Plug Valve
231MA503	Plug Valve

FAQs

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

What is the FSCG of the NSN 4820-00-139-4551?

The FSCG of the NSN 4820-00-139-4551 is 4820

Does the NSN 4820-00-139-4551 have a Schedule B code assigned?

Yes, the Schedule B code is 8481803065

Does NSN 4820-00-139-4551 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 4820-00-139-4551 contain precious materials?

Precious metal content is unknown

Does NSN 4820-00-139-4551 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 4820-00-139-4551 was assigned to the Federal Catalog?

It was assigned 54 years ago, on Wed, Aug 18, 1971