20571-F

View detailed technical data, stock status, and sourcing information for: 20571-F
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Federal Supply Group

Valves

Federal Supply Classification

4820 Nonpowered Valves

National Stock Number

4820-01-234-4994

Item Name Code

35224

Assigment Date

06/14/1986 (40 years ago)

steel material, 4.140 inches nominal outside diameter, 6.500 inches nominal overall height, 0.625 inches nominal shoulder height, 1.608 inches nominal shoulder width

Product Characteristics

Below you’ll find the complete technical specifications and performance data for this part, including material details and compliance information.

Outside Diameter: 4.140 inches nominal
Overall Height: 6.500 inches nominal
Shoulder Height: 0.625 inches nominal
Shoulder Width: 1.608 inches nominal
Material: steel

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
20571-F	Valve Disk
20571-F PART 4	Valve Disk

FAQs

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

What is the FSCG of the NSN 4820-01-234-4994?

The FSCG of the NSN 4820-01-234-4994 is 4820

Does the NSN 4820-01-234-4994 have a Schedule B code assigned?

Yes, the Schedule B code is 8481909090

Does NSN 4820-01-234-4994 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 4820-01-234-4994 contain precious materials?

Item does not contain precious metal.

Does NSN 4820-01-234-4994 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 4820-01-234-4994 was assigned to the Federal Catalog?

It was assigned 40 years ago, on Sat, Jun 14, 1986