Description:

9.000 inches outside diameter, 0.687 inches mounting hole diameter, 4 unthreaded hole mounting facility type and quantity, porcelain material and location.

Properties:

An insulator which is specifically designed to provide for the passage of electrical conductors through such items as panels, bulkheads, walls, and the like. It consists of two or more insulators, including one or more studs fed through the items in such a way as to be used as conductors. The studs may be used for mounting. See also insulator, bowl; and terminal, feedthru, insulated.