C20B

View detailed technical data, stock status, and sourcing information for: C20B
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Federal Supply Group

Valves

Federal Supply Classification

4820 Nonpowered Valves

National Stock Number

4820-01-650-5477

Item Name Code

05487

Assigment Date

12/09/2015 (10 years ago)

An adapter having standard pipe threads on one end or an unthreaded end designed to accommodate a pipe. The other end has machine threads (straight threads other than pipe or hose series) designed to accommodate a tube or is unthreaded and designed to accommodate a tube. It is designed to join a pipe or pipe fitting to a tube or tube fitting in a straight line.

manual valve operation method, inverted flare (pipe) 2nd end connection style, right-hand all ends thread direction, 1.8 inches all ends nominal thread size, threaded external pipe all ends connection type

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
Connection Style: inverted flare (pipe) 2nd end
Valve Operation Method: manual
Connection Type: threaded external pipe all ends
Nominal Thread Size: 1.8 inches all ends
Seat Angle: 2.0 degrees all ends
Material: steel body
Style Designator: straight thru
Thread Series Designator: nptf 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
C20B	Check Valve

FAQs

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

What is the FSCG of the NSN 4820-01-650-5477?

The FSCG of the NSN 4820-01-650-5477 is 4820

Does the NSN 4820-01-650-5477 have a Schedule B code assigned?

Yes, the Schedule B code is 8481302090

Does NSN 4820-01-650-5477 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 4820-01-650-5477 contain precious materials?

Item does not contain precious metal.

Does NSN 4820-01-650-5477 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 4820-01-650-5477 was assigned to the Federal Catalog?

It was assigned 10 years ago, on Wed, Dec 9, 2015