MIL-DTL-38999 Series II connectors offer reliable connectivity in harsh environments, with up to 128 contacts sealed against environmental factors. Designed for rugged applications, these connectors operate flawlessly in temperatures ranging from -65 °C to 200 °C. Featuring various mounting options including front and rear wall mount, jam nut, and box mount receptacles, they provide flexibility for installation. Available in 9 shell sizes and 52 insert arrangements, these connectors utilize M39029 rear release crimp contacts for secure connections. Constructed with aluminum shells and offering multiple plating options, including RoHS compliant finishes, they ensure durability and performance. With a straight plug configuration and gold contact plating, they guarantee efficient signal transmission. Suitable for military and industrial use, these connectors are ideal for applications requiring high reliability and environmental resistance.