1705-1 is a weatherproof, straight, male, SHV bulkhead jack with a frequency of 300MHz and operating voltage of 3500Vrms / 5000VDC. Insulator is made of teflon; gasket is silicone rubber; k-grip sleeve is commercial bronze, spring washer and outer/center contacts are berrylium copper; all other metal parts are brass. Center contact is in gold plating finish; and all other metal parts are in Kings tarnish resistant finish. This product has quick connect & disconnect bayonet coupling design. Outer contact ground connection is maintained through the center contact mating cycle. Recessed center contacts prevent shock hazards while unmated.