WD201ALV

View detailed technical data, stock status, and sourcing information for: WD201ALV
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Federal Supply Group

Valves

Federal Supply Classification

4820 Nonpowered Valves

National Stock Number

4820-00-059-9952

Item Name Code

05489

Assigment Date

06/08/1967 (59 years ago)

A valve that controls flow by a circular disk, or a pair of semicircular disks, attached to a common spindle or lever turning on a diametral axis.

manual valve operation method, flange all ends connection type, 200.0 pounds per square inch single response maximum operating pressure, round with holes all ends flange shape, 6 all ends bolt hole quantity

Product Characteristics

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

Bolt Hole Quantity: 6 all ends
Valve Operation Method: manual
Flange Shape: round with holes all ends
Connection Type: flange all ends
Maximum Operating Pressure: 200.0 pounds per square inch single response
Nominal Outside Diameter: 4.500 inches all ends
Nominal Thickness: 1.128 inches all ends
Bolt Hole Nominal Diameter: 0.442 inches all ends
Bolt Circle Nominal Diameter: 3.750 inches all ends
Flange Face Design: plain all ends
Material: aluminum body
Material: rubber butadiene-acrylonitrile class nbr flow control device
Style Designator: straight thru

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
WD201ALV	Butterfly Valve
WD201ALVB	Butterfly Valve
WD21AL	Butterfly Valve

FAQs

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

What is the FSCG of the NSN 4820-00-059-9952?

The FSCG of the NSN 4820-00-059-9952 is 4820

Does the NSN 4820-00-059-9952 have a Schedule B code assigned?

Yes, the Schedule B code is 8481805090

Does NSN 4820-00-059-9952 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 4820-00-059-9952 contain precious materials?

Precious metal content is unknown

Does NSN 4820-00-059-9952 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 4820-00-059-9952 was assigned to the Federal Catalog?

It was assigned 59 years ago, on Thu, Jun 8, 1967