MIL-DTL-38999 Series II connectors offer high performance with up to 128 contacts in an environmentally sealed insert. Designed for harsh environments, these connectors feature various mounting options including front and rear wall mount, jam nut, and box mount receptacles. Available in aluminum shells with multiple plating options, they ensure durability and reliability. With a wide operating temperature range of -65 °C to 200 °C, they are suitable for diverse applications. Utilizing M39029 rear release crimp contacts, these connectors come in 9 shell sizes and 52 insert arrangements. Meeting military specification MIL-DTL-38999 II, they guarantee quality and performance.