4820-01-280-3957

Find complete technical information, availability, and procurement data for: 4820-01-280-3957
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Federal Supply Group

Valves

Federal Supply Classification

4820 Nonpowered Valves

National Stock Number

4820-01-280-3957

Item Name Code

05489

Assigment Date

06/09/1988 (38 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.

aluminum and copper alloy flow control device material, 180.0 fahrenheit single response maximum operating temp, 200.0 pounds per square inch single response maximum operating pressure, valve size 20.000 in. special features, 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.

Maximum Operating Temp: 180.0 fahrenheit single response
Valve Operation Method: manual
Maximum Operating Pressure: 200.0 pounds per square inch single response
Special Features: valve size 20.000 in.
Material: aluminum and copper alloy flow control device
Material: nickel alloy and aluminum body
Media For Which Designed: water, fresh single response
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
856-703-200-139-251	Butterfly Valve
D139-20-856	Butterfly Valve

FAQs

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

What is the FSCG of the NSN 4820-01-280-3957?

The FSCG of the NSN 4820-01-280-3957 is 4820

Does the NSN 4820-01-280-3957 have a Schedule B code assigned?

Yes, the Schedule B code is 8481805090

Does NSN 4820-01-280-3957 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 4820-01-280-3957 contain precious materials?

Item does not contain precious metal.

Does NSN 4820-01-280-3957 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 4820-01-280-3957 was assigned to the Federal Catalog?

It was assigned 38 years ago, on Thu, Jun 9, 1988