4820-01-189-6663

Find complete technical information, availability, and procurement data for: 4820-01-189-6663
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Federal Supply Group

Valves

Federal Supply Classification

4820 Nonpowered Valves

National Stock Number

4820-01-189-6663

Item Name Code

37648

Assigment Date

09/18/1984 (41 years ago)

An item usually metallic, threaded or unthreaded, used for securing to or positioning into a mating part. It is designed to be used in a globe, relief, regulator valve and the like as a means of controlling the flow of liquids or gases in a given system. One end may have an integral disk or be designed to accommodate a metallic or nonmetallic disk. The other end is designed for a handwheel, lever, spring, diaphragm and the like for nonpowered operation or to accommodate a gear, solenoid, air motor and the like for powered operation. The handwheel and/or disk may be furnished with the item. Excludes:stem, faucet; and stem, needle valve.

600.0 fahrenheit single response maximum operating temp, ball flow control device, manual valve operation method, plain (pipe) all ends connection style, right-hand all ends 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 all ends
Flow Control Device: ball
Maximum Operating Temp: 600.0 fahrenheit single response
Connection Style: plain (pipe) all ends
Valve Operation Method: manual
Connection Type: threaded external pipe all ends
Maximum Operating Pressure: 4000.0 pounds per square inch single response
Nominal Thread Size: 0.250 inches all ends
Material: plastic polytetrafluoroethylene flow control device
Material: steel comp 316 body
Media For Which Designed: air 1st response
Media For Which Designed: water-oil-gas 2nd response
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
SS-4P-4M-TFE	Hydraulic System Bleeder Valve

FAQs

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

What is the FSCG of the NSN 4820-01-189-6663?

The FSCG of the NSN 4820-01-189-6663 is 4820

Does the NSN 4820-01-189-6663 have a Schedule B code assigned?

Yes, the Schedule B code is 8481809050

Does NSN 4820-01-189-6663 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 4820-01-189-6663 contain precious materials?

Item does not contain precious metal.

Does NSN 4820-01-189-6663 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 4820-01-189-6663 was assigned to the Federal Catalog?

It was assigned 41 years ago, on Tue, Sep 18, 1984