National Stock Number: 5821-00-023-0684
Federal Supply Class: 5821
National Item Identification Number: 000230684
Description: CAVITY,TUNED
Detail: AN INCLOSURE, WITH A CONDUCTIVE INNER WALL, WHOSE RESONANT FREQUENCY IS DETERMINED BY ITS INTERNAL DIMENSIONS. FOR CALIBRATED ITEMS WHICH ARE USED TO MEASURE WAVELENGTH OR FREQUENCY, SEE WAVEMETER; SEE ALSO FREQUENCY METER.
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