5179031-5 is a 0.8mm fine pitch SMT stacking plug connector designed for parallel board-to-board applications. This 120-position connector features 8µ" gold plating for reliable electrical contact and is part of the Free Height (FH) connector series. The connector has dimensions of A: 47.20mm (1.858"), B: 53.80mm (2.118"), and C: 52.20mm (2.055"), and supports stacking heights of 8mm or 12mm when paired with compatible receptacles. This connector is ideal for high-density interconnect applications in consumer electronics, telecommunications, and industrial equipment where space-saving parallel board stacking is required.