MIL-DTL-38999 Series II connectors feature up to 128 contacts in an environmentally sealed insert, designed for harsh environments with an operating temperature range of -65 °C to 200 °C. Offering various mounting options like front and rear wall mount, jam nut, and box mount receptacles, these connectors meet stringent military specifications. With 52 insert arrangements and M39029 rear release crimp contacts, they ensure reliable connectivity. Available in aluminum shells with plating options including cadmium-free finishes, these connectors guarantee durability and performance. Perfect for applications requiring high reliability in challenging conditions.