2540-12-312-3574

5960-12-140-6622 5960121406622 121406622 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).

7640-15-140-6622 7640151406622 151406622 CARTA TOPOGRAFICA U

3510-01-140-6622 3510011406622 011406622 CONTROL PANEL,ELECT

7610-66-140-6622 7610661406622 661406622 is two or more sheets, written or printed,or stored on electonic media, containing no programs or software, outlining maintenance, installation and/or operating information applicable to one or more related pieces of equipment. it may have a cover. the sheets may be fastened by staple(s), loosely folded, and/or punched for loose-leaf binding. see also book. for single sheet items, see chart (as modified) and sheet, technical.

4730-25-140-6622 4730251406622 251406622 is a fitting that forms an angle of less that 180 degrees (3.141 radians) from the straight flow. it has a flange connection on one end designed to connect with another flange connection, or a compression type mounting pad. the other end has machine threads (straight threads other than pipe or hose series) designed to accommodate a tube, or is unthreaded and designed to accommodate a tube. it may have side and/or heel inlet(s).