MIL-DTL-38999 Series II connectors, designed for harsh environments, feature up to 128 contacts in an insert with front and rear wall mount options, jam nut, and box mount receptacles. Operating in temperatures ranging from -65 °C to 200 °C, these connectors offer versatility for various applications. Thin-walled and restricted in length, they ensure efficient connectivity. Available in aluminum shells with multiple plating options, including cadmium-free finishes, they meet RoHS certification standards. With M39029 rear release crimp contacts and a range of shell sizes and insert arrangements, these connectors guarantee reliable performance. Suitable for military and industrial use, they provide durable and secure connections in demanding conditions.