MIL-DTL-38999 Series II connectors offer high performance with up to 128 contacts in an insert, designed for harsh environments. These environmentally sealed connectors feature various mounting options including front wall, rear wall, and jam nut receptacles. Available in 9 shell sizes and 52 insert arrangements, they utilize M39029 rear release crimp contacts for secure connections. With a wide operating temperature range of -65°C to 200°C, these connectors are suitable for demanding applications. The aluminum shells come with plating options such as electroless nickel for durability. Meeting MIL-DTL-38999 II specifications, they ensure reliable performance in military and industrial settings.