Smiths Group is a company that designs, manufactures and sells various products and services for the threat and contraband detection, medical devices, energy, communications, and engineered components markets. It operates through John Crane, Smiths Medical, Smiths Detection, Smiths Interconnect, and Flex-Tek divisions. The John Crane division offers engineered products and services comprising mechanical seals, seal support systems, engineered bearings, power transmission couplings, and specialist filtration systems. The Smiths Medical division provides specialty medical devices and consumables. The Smiths Detection division offers detection technologies comprising sensors and systems that detect and identify explosives, narcotics, weapons, and chemical agents. The Smiths Interconnect division provides electronic and radio frequency board-level and waveguide devices, connectors, cables, test sockets, and sub-systems. The Flex-Tek division offers engineered components that heat and move fluids and gases for aerospace, consumer products, construction, medical, and industrial applications.