872C-NH12BP18-FD02 - Proximity Sensor, 4-Wire DC Extended Range Complementary Output, 18mm Diameter, Tubular:Nickel Plated Brass, Short, 12mm Sensing Distance, Unshielded, Complementary N.O. & N.C., PNP, Pigtail (short cable with connector)

872C-NH12BP18-FD02 - Proximity Sensor, 4-Wire DC Extended Range Complementary Output, 18mm Diameter, Tubular:Nickel Plated Brass, Short, 12mm Sensing Distance, Unshielded, Complementary N.O. & N.C., PNP, Pigtail (short cable with connector)