4820-01-440-6873

Find complete technical information, availability, and procurement data for: 4820-01-440-6873
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Federal Supply Group

Valves

Federal Supply Classification

4820 Nonpowered Valves

National Stock Number

4820-01-440-6873

Item Name Code

61929

Assigment Date

01/22/1997 (29 years ago)

A replaceable device in panel form designed to eliminate radio frequency and electromagnetic interference from the air passing through it. The elimination of interference is accomplished by reflection and/or absorption of radiated electromagnetic energy by media constructed of electrically conductive material, in honeycomb or louvered form confined in a frame, with electrically conductive gasketing (or self-gasketing feature) to provide electrical contact with the cabinet on which it is installed or mounted. It may be used in air ventilating or heating ducts, lighting aperture and the like. It may have a filter for dust protection. It may include a drip-proof design feature. Excludes:electrical filtering devices which employ capacitor, resistor and coil components to eliminate or suppress conducted electromagnetic energy. Excludes:shield,test.

air valve operation method, 4 spool quantity

Product Characteristics

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

Valve Operation Method: air
Spool Quantity: 4

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
GS 20050-3340	Directional Control Linear Valve

FAQs

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

What is the FSCG of the NSN 4820-01-440-6873?

The FSCG of the NSN 4820-01-440-6873 is 4820

Does the NSN 4820-01-440-6873 have a Schedule B code assigned?

Yes, the Schedule B code is 8481809050

Does NSN 4820-01-440-6873 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 4820-01-440-6873 contain precious materials?

Item does not contain precious metal.

Does NSN 4820-01-440-6873 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 4820-01-440-6873 was assigned to the Federal Catalog?

It was assigned 29 years ago, on Wed, Jan 22, 1997