The MIL-DTL-38999 Series II connectors boast up to 128 contacts within a durable insert, ensuring reliable connectivity in harsh environments. With an impressive operating temperature range of -65°C to 200°C, these connectors are ideal for demanding applications. Available in various mounting options such as front and rear wall mount, jam nut, and box mount receptacles, they offer versatile installation possibilities. Featuring aluminum shells with a choice of plating finishes including cadmium-free options, these connectors meet stringent RoHS standards. Utilizing M39029 rear release crimp contacts, they guarantee secure and efficient connections. With a service rating of I and a service class of E for environment resistance, these connectors are designed for durability, making them suitable for a wide range of military and industrial applications.