The MIL-DTL-38999 Series II connectors offer robust connectivity with up to 128 contacts in an insert, designed for harsh environments. Featuring a wide operating temperature range of -65°C to 200°C, these connectors are ideal for demanding applications. Available in various mounting styles such as front and rear wall mount, jam nut, and box mount receptacles, they ensure versatile installation options. With 52 insert arrangements and M39029 rear release crimp contacts, customization is seamless. Constructed with aluminum shells and offering multiple plating options including cadmium-free finishes, these connectors guarantee durability and reliability. Perfect for military and industrial use, they provide secure electrical connections in even the most challenging conditions.