The MIL-DTL-38999 Series II connectors offer rugged reliability with up to 128 contacts in an environmentally sealed insert. Designed for harsh environments, these connectors feature various mounting options such as front and rear wall mount, jam nut, and box mount receptacles, with straight or 90-degree cable clamp plugs. With a wide range of shell sizes and insert arrangements, they accommodate M39029 rear release crimp contacts in sizes 22D to 12. Constructed with durable aluminum shells and available in multiple plating options, including RoHS compliant finishes, these connectors ensure optimal performance in temperatures ranging from -65 °C to 200 °C. Perfect for military and industrial applications, they provide secure and reliable connections for mission-critical systems.