MIL-DTL-38999 Series II connectors offer robust connectivity solutions with up to 128 contacts encased in a sealed insert. Designed for harsh environments, they feature various mounting options such as front and rear wall mount, jam nut, and box mount receptacles. Available in 9 shell sizes with 52 insert arrangements, these connectors utilize M39029 rear release crimp contacts for secure connections. Crafted from durable aluminum, they come in plating options like electroless nickel and cadmium finishes. With a wide operating temperature range of -65°C to 200°C, these connectors are ideal for demanding applications requiring reliability and performance.