4820-00-541-6990

Find complete technical information, availability, and procurement data for: 4820-00-541-6990
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Federal Supply Group

Valves

Federal Supply Classification

4820 Nonpowered Valves

National Stock Number

4820-00-541-6990

Item Name Code

05490

Assigment Date

01/01/1961 (65 years ago)

three-way one port bottom outlet 360 degree plug turn flow style, flared (tube) all ends connection style, right-hand all ends thread direction, 3a all ends thread class, 250.0 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 Class: 3a all ends
Thread Direction: right-hand all ends
Flow Style: three-way one port bottom outlet 360 degree plug turn
Maximum Operating Temp: 250.0 fahrenheit single response
Connection Style: flared (tube) all ends
Valve Operation Method: manual
Connection Type: threaded external tube all ends
Features Provided: adjustable rotation stop
Maximum Operating Pressure: 90.0 pounds per square inch 2nd response
Maximum Operating Pressure: 50.0 pounds per square inch 1st response
Nominal Thread Size: 0.437 inches all ends
Seat Angle: 37.0 degrees all ends
Material: aluminum alloy seat
Material: aluminum alloy stem
Material: aluminum alloy body
Media For Which Designed: air 1st response
Media For Which Designed: fuel/oil, hydrocarbon 2nd response
Media For Which Designed: water, fresh 3rd response
Thread Series Designator: unf all ends

Replaces National Stock Numbers

Below is a list of NSNs that have been officially superseded by this NSN:

NSN	Name	Date
4920-00-788-3356	No Name Available	01/01/1962
4820-00-816-1283	No Name Available	09/08/1970

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
324-111X-4D	Plug Valve
324-111X4D	Plug Valve
7-155-21	Plug Valve
80770-0100-18	Plug Valve

FAQs

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

What is the FSCG of the NSN 4820-00-541-6990?

The FSCG of the NSN 4820-00-541-6990 is 4820

Does the NSN 4820-00-541-6990 have a Schedule B code assigned?

Yes, the Schedule B code is 8481805090

Does NSN 4820-00-541-6990 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 4820-00-541-6990 contain precious materials?

Precious metal content is unknown

Does NSN 4820-00-541-6990 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 4820-00-541-6990 was assigned to the Federal Catalog?

It was assigned 65 years ago, on Sun, Jan 1, 1961