The MIL-DTL-38999 Series II connectors offer high-performance connectivity with up to 128 contacts in a durable 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 9 shell sizes and 52 insert arrangements, they utilize M39029 rear release crimp contacts for secure connections. With a wide operating temperature range from -65°C to 200°C, these connectors are ideal for demanding applications. Constructed with aluminum shells and offering multiple plating options including cadmium-free finishes, they ensure reliable performance and environmental resistance. Suitable for military and industrial use, these connectors meet MIL-DTL-38999 II specifications, guaranteeing quality and compliance with stringent standards.