2138839-2 is an AMPSEAL 16 Hybrid Lever Plug Housing designed for industrial and commercial transportation applications requiring robust electrical connectivity. This 28-position connector housing accommodates 24 size 16 contacts and 4 size 12 contacts, configured with Key B keying to ensure proper mating orientation and prevent incorrect connections. The housing features overall dimensions of 2.08 inches (52.95 mm) in length, 1.82 inches (46.25 mm) in height, and 4.59 inches (116.5 mm) in width, providing a compact yet spacious design for high-density wiring applications. The connector utilizes HDSF size 16 stamped and formed contacts with dual beam sockets, supporting current ratings up to 13 amps and meeting SAE J2030 durability requirements of 50 cycles. This housing is commonly used in automotive, industrial control systems, and transportation equipment where reliable, sealed connections are essential for harsh operating environments.