MS3106F18-11P is a military-specification circular connector plug conforming to MIL-C-5015 standards, featuring a straight shell design with threaded coupling and cable clamp endbell. The connector accommodates 5 contacts of size 12 with hard silver plating and solder cup termination, rated for 41 A at +20°C with a contact resistance of 3 mO. It operates across an ambient temperature range of -55°C to +125°C, provides IP65 protection per DIN 40 050, and demonstrates 500-hour salt spray resistance with a minimum of 500 mating cycles. The aluminum alloy shell features olive drab chromate coating over cadmium plating, while neoprene insulation and gromet materials ensure durability in harsh environments. This connector is ideal for military, aerospace, and industrial applications requiring reliable high-current connections in demanding conditions.