1015-14-259-3329

1015-14-219-0534 1015142190534 142190534 PISTON SPECIAL

5960-00-262-0307 5960002620307 002620307 is an inclosure, including two or more electrodes, in which a flow of electrons may occur through a vacuum or a contained gas. the electronic conduction takes place either by means of electrons emitted from a cathode or by ionization of the contained gas. includes phototubes (photoemissive type only), geiger-mueller tubes, traveling wave tubes, cathode ray tubes and microwave tubes (klystron, magnetron, or the like). excludes items whose primary purpose is to produce light energy. also excludes photoelectric cell; and semiconductor device (as modified).