4820-01-290-4917

Find complete technical information, availability, and procurement data for: 4820-01-290-4917
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Federal Supply Group

Valves

Federal Supply Classification

4820 Nonpowered Valves

National Stock Number

4820-01-290-4917

Item Name Code

05489

Assigment Date

12/12/1988 (37 years ago)

A valve having a flat or tapered disk (gate) which moves transversely to the axis of flow by rotating or sliding movements of the stem to open or close the orifice. It may also contain an oval or rectangular shaped slide which may be manually, motor, or pressure operated through the means of an arm or arm assembly. The body flange may be designed to accommodate tube type connectors. It may or may not contain thermal relief features. Includes valve (gate) specifically designed for the control of fluid systems in aircraft or missiles.

round with holes all ends flange shape, 8 all ends bolt hole quantity, 200.0 fahrenheit single response maximum operating temp, flange all ends connection type, manual valve operation method

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: 8 all ends
Maximum Operating Temp: 200.0 fahrenheit single response
Valve Operation Method: manual
Flange Shape: round with holes all ends
Connection Type: flange all ends
Mounting Facility: wafer
Valve Size: 4.000 inches
Maximum Operating Pressure: 75.0 pounds per square inch single response
Nominal Outside Diameter: 6.625 inches all ends
Face To Face Distance: 1.125 inches
Nominal Thickness: 1.125 inches all ends
Bolt Hole Nominal Diameter: 0.438 inches all ends
Bolt Circle Nominal Diameter: 5.875 inches all ends
Flange Face Design: plain all ends
Material: aluminum body
Material: rubber polymethylene-perfluoroalkylene class fkm flow control device
Media For Which Designed: water-oil-gas single response
Style Designator: straight thru flanged 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
026664V	Butterfly Valve
WD401-AL-V	Butterfly Valve
WD401ALVB	Butterfly Valve

FAQs

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

What is the FSCG of the NSN 4820-01-290-4917?

The FSCG of the NSN 4820-01-290-4917 is 4820

Does the NSN 4820-01-290-4917 have a Schedule B code assigned?

Yes, the Schedule B code is 8481805090

Does NSN 4820-01-290-4917 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 4820-01-290-4917 contain precious materials?

Item does not contain precious metal.

Does NSN 4820-01-290-4917 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 4820-01-290-4917 was assigned to the Federal Catalog?

It was assigned 37 years ago, on Mon, Dec 12, 1988