540-8085-003

Radio Frequency Tuning Unit

An electronic device consisting of the necessary elements to establish the frequency or frequency range of two or more tuned circuits to predetermined value or range. It may have facilities for calibration adjustments. There are no integral facilities for continuous variation of the frequency over the entire range of the item. It is generally used with an external variable capacitor or inductor which will effect the continuous variation of the frequency. This item is used to facilitate rapid band or channel changes in radio receivers, transmitters, amplifiers or similar devices. It does not include electron tubes. See also coil assembly, radio frequency and tuner, radio frequency.

moderately delicate fragility factor, 1.630 inches nominal overall length, cylindrical basic shape style, matte surface luster, 0.4325 inches nominal overall diameter

Basic Details

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NSN

5895-00-611-8108

NIIN

00-611-8108

Item Name

Radio Frequency Tuning Unit

Part Number

540-8085-003

Active

Federal Supply Class

5895 - Miscellaneous Communication Equipment

Federal Supply Group

Communication, Detection, and Coherent Radiation Equipment

Assigment Date

01/01/1963 (63 years ago)

Item Name Code

00474

Technical Specifications

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Overall Length: 1.630 inches nominal
Surface Luster: matte
Overall Diameter: 0.4325 inches nominal
Fragility Factor: moderately delicate
Basic Shape Style: cylindrical
Installation Design: mechanical
Circuit Construction Type: solid state
Fsc Application Data: electronic circuitry devices

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Cross Referenced Parts

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Part Number	CAGE	Manufacturer	RNCC	RNVC	RNAAC
117970	06481	Northrop Grumman Systems Corporation Div the Navigation, Targeting and Survivability Division	5	9	XX
117970	59501	Unison Industries Llc	3	2	TX
117970	83311	Unison Industries, Llc	5	9	TX
540-8085-003	13499	Rockwell Collins, Inc. Dba Collins Aerospace Government Systems Div Collins Aerospace - Government Systems	3	2	XX

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