MIL-DTL-38999 Series II connectors feature up to 128 contacts in an insert, designed for harsh environments with an operating temperature range of -65 °C to 200 °C. Available in various mounting options including front and rear wall mount, jam nut, and box mount receptacles, they offer versatility in installation. With 52 insert arrangements and M39029 rear release crimp contacts, these connectors ensure secure and reliable connections. Constructed with aluminum shells and plated with options like cadmium and nickel, they guarantee durability and performance. The gold-plated contacts, removable crimp type, and bayonet coupling provide ease of use and maintenance. Meeting MIL-DTL-38999 II military specifications, these connectors are suitable for demanding applications that require high reliability in extreme conditions.