Traditional multipin designs are provided with threaded circular connectors which allow moderate pin density. These feedthroughs are offered in 3, 5 and 7 pin versions, and are rated to 500 volts and 3.5 amps per pin.

MS multipin is provided with industry standard threaded connectors which meet MIL-C-5015 specification, and are designed to meet similar applications. These feedthroughs are offered in 4 to 35 pin versions, and are rated for 700 volts and 10 amps per pin. Single-ended versions offer a connector for the air side. Double ended versions offer both air and vacuum side connectors.