MIL-DTL-38999 Series II connectors offer robust performance 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. Available in 9 shell sizes and 52 insert arrangements, they use M39029 rear release crimp contacts for reliable connections. Constructed with aluminum shells and offering a range of plating options, including cadmium-free finishes, they ensure durability and compliance. These connectors, meeting MIL-DTL-38999 II specifications, are suitable for military and industrial applications where high performance in extreme conditions is essential.