TE Connectivity HDSCS MCP 1.5K Tab Contacts with Single Wire Sealing System (SWS) MCP 1.5K 1.6 x 0.6mm tab timer contacts with single wire sealing system (SWS) and modified stainless steel symmetric cantilever spring. These MCP 1.5K tab timer contacts have a 1.60 x 0.61mm mating interface area and mate with the MCP 1.5K contact system and can be also used in the heavy duty sealed connector series (HDSCS) and Micro Timer II connector systems.