MIL-DTL-38999 Series II connectors are high-performance, environmentally sealed plugs designed for harsh environments. With up to 128 contacts in an insert, they offer reliable connectivity in extreme conditions. Operating between -65°C and 200°C, these connectors are suitable for a wide range of applications. Featuring various mounting options such as front wall mount, rear wall mount, jam nut, and box mount receptacles, they provide flexibility in installation. Available in aluminum shells with different plating options, including cadmium-free finishes, these connectors meet RoHS compliance. Utilizing M39029 rear release crimp contacts, they ensure secure connections. The straight plug design with EMI shielding and bayonet coupling makes them ideal for military and aerospace use. With a service rating of M and ingress protection, they guarantee durability and performance in demanding environments.