The part 1532191-3 is a signal contact kit from TE Connectivity. It is a set of signal contacts for TE Connectivity's rectangular D multi-pin connector system, to be used with standard crimp tools. It includes three components, a socket, a wire receptacle and a contact pin, each made from stainless steel with gold-plated contacts for superior reliability and performance. The kit is designed for a panel-to-panel connection, and is rated to carry up to 4 amps and 150 volts. The kit is designed for a wide range of aviation and commercial applications and is compliant with a number of power and electrical performance standards, including UL 94V-0 and MIL-DTL-38999 series 2.