185226-1 is a 26-position vertical PCB header connector part of the Micro Quadlok Interconnection System (MQS) from TE Connectivity. The connector features a PBT GF20 housing material with tin and gold over nickel plating, yellow housing color, and A-E keying configuration. Key dimensions include a pitch of 2.54 mm, with overall dimensions of 52.5 mm length, 40.0 mm width, and 20.9 mm height. This unsealed MQS housing is designed for reliable interconnection in printed circuit board applications requiring standardized 26-position connectivity. The connector is commonly used in industrial and telecommunications equipment where consistent, keyed mating is essential for proper system assembly and operation.