20-00671

View detailed technical data, stock status, and sourcing information for: 20-00671
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Federal Supply Group

Valves

Federal Supply Classification

4820 Nonpowered Valves

National Stock Number

4820-00-658-5478

Item Name Code

20962

Assigment Date

01/01/1963 (63 years ago)

manual valve operation method, inside screw bonnet type, plain,optional end(pipe) all ends connection style, right-hand all ends thread direction, integral bonnet attachment method

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
Bonnet Type: inside screw
Bonnet Attachment Method: integral
Connection Style: plain,optional end(pipe) all ends
Valve Operation Method: manual
Connection Type: threaded internal pipe all ends
Maximum Operating Pressure: 400.0 pounds per square inch single response
Nominal Thread Size: 0.750 inches all ends
Material: copper alloy body
Material: copper alloy flow control device
Material: rubber synthetic seat
Style Designator: straight thru
Thread Series Designator: npt all ends

Replaces National Stock Numbers

Below is a list of NSNs that have been officially superseded by this NSN:

NSN	Name	Date
4210-00-651-7268	No Name Available	02/18/1974

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
20-00671	Ball Valve
509-0398	Ball Valve
M101-661065	Ball Valve
V671	Ball Valve

FAQs

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

What is the FSCG of the NSN 4820-00-658-5478?

The FSCG of the NSN 4820-00-658-5478 is 4820

Does the NSN 4820-00-658-5478 have a Schedule B code assigned?

Yes, the Schedule B code is 8481801085

Does NSN 4820-00-658-5478 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 4820-00-658-5478 contain precious materials?

Precious metal content is unknown

Does NSN 4820-00-658-5478 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 4820-00-658-5478 was assigned to the Federal Catalog?

It was assigned 63 years ago, on Tue, Jan 1, 1963