4820-01-104-1679

Find complete technical information, availability, and procurement data for: 4820-01-104-1679
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Federal Supply Group

Valves

Federal Supply Classification

4820 Nonpowered Valves

National Stock Number

4820-01-104-1679

Item Name Code

35374

Assigment Date

11/28/1980 (45 years ago)

An item which electronically loads and resonates an antenna and transmission line system in accordance with changes in the operating frequency of associated equipment. Resonance and loading is effected by the application of control voltages to an antenna coupler. Control voltages are derived by the electrical discrimination of the angular phase shift resulting from standing wave ratios when the radiation system is in an off-resonance condition. Excludes:discriminator, electrical frequency and transformer, discriminator.

1.665 inches nominal height, 2.645 inches nominal overall length, 1.885 inches nominal width, steel corrosion resisting material

Product Characteristics

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

Width: 1.885 inches nominal
Overall Length: 2.645 inches nominal
Height: 1.665 inches nominal
Material: steel corrosion resisting

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
20321-001 FIND 8	Valve Cap
20321-1040	Valve Cap

FAQs

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

What is the FSCG of the NSN 4820-01-104-1679?

The FSCG of the NSN 4820-01-104-1679 is 4820

Does the NSN 4820-01-104-1679 have a Schedule B code assigned?

Yes, the Schedule B code is 8481909090

Does NSN 4820-01-104-1679 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 4820-01-104-1679 contain precious materials?

Item does not contain precious metal.

Does NSN 4820-01-104-1679 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 4820-01-104-1679 was assigned to the Federal Catalog?

It was assigned 45 years ago, on Fri, Nov 28, 1980