820-4551661-10

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Federal Supply Group

Valves

Federal Supply Classification

4820 Nonpowered Valves

National Stock Number

4820-01-068-3654

Item Name Code

77777

Assigment Date

11/23/1978 (47 years ago)

An item having either a single tapped winding (autotransformer type), or two or more windings designed to furnish inductive reactance and/or transfer electrical energy in circuits by means of a magnetic field. It is so designed that its entire intended range of operations is above 20 kilohertz (kilocycles). The minimum value may extend into the audio frequency range (below 20 kilohertz). It may include integral capacitors, coils, resistors, and adjustable tuning cores. For items having only two active terminals see coil, radio frequency. Includes types having windings which may be moved with respect to each other. Excludes:transformer, discriminator.

selected and tested for nuclear propulsion plant systems reference number differentiating characteristics, zzzy criticality code justification

Product Characteristics

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

Criticality Code Justification: zzzy
Reference Number Differentiating Characteristics: selected and tested for nuclear propulsion plant systems

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
820-4551661-10	Throttle Uncapped Valve

FAQs

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

What is the FSCG of the NSN 4820-01-068-3654?

The FSCG of the NSN 4820-01-068-3654 is 4820

Does the NSN 4820-01-068-3654 have a Schedule B code assigned?

Yes, the Schedule B code is 8481809050

Does NSN 4820-01-068-3654 require demilitarization?

Usml or ccl military items - demil required. Item managers,, equipment specialists, or product specialists must furnish special demilinstructions. (note 3).

Does NSN 4820-01-068-3654 contain precious materials?

Item does not contain precious metal.

Does NSN 4820-01-068-3654 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 4820-01-068-3654 was assigned to the Federal Catalog?

It was assigned 47 years ago, on Thu, Nov 23, 1978