MIL-DTL-38999 Series II connectors offer reliable connectivity with up to 128 contacts housed in a secure insert. Designed for harsh environments, these connectors are hermetically sealed and can withstand temperatures ranging from -65 °C to 200 °C. Featuring various mounting options including front and rear wall mount, jam nut, and box mount receptacles, they provide versatile installation possibilities. The connectors come in aluminum shells with a choice of plating finishes, including RoHS-certified cadmium-free options. Utilizing M39029 rear release crimp contacts, they ensure efficient and durable connections. With a straight plug design and EMI shielding, they are ideal for military and aerospace applications, offering reliable performance in demanding conditions.