Special Features:

Manufacturers item name: double ridge waveguide pressure window; operating pressure: 30 psig max. In either direction; proof pressure: greater than 50 psig in either direction; leak rate: less than .0010 ml per minute at 30 psig; vswr (max): 1.1; insertion l0ss (db max): 0.1; waveguide size: wrd-750d24; waveguide flange: mec-750c3g3; max. Power (watts, cw): 300

Properties:

An item or assembly designed to be fitted into or external to the end of a waveguide, in order to prevent the entrance of moisture or other foreign matter, without appreciably attenuating radio frequencies. May or may not be pressure proof.