MIL-DTL-38999 Series II connectors feature up to 128 contacts in an environmentally sealed insert, with an operating temperature range of -65 °C to 200 °C. Available in various configurations including front wall mount, rear wall mount, jam nut, and more, these connectors offer versatility in harsh environments. Utilizing M39029 rear release crimp contacts, they ensure secure connections in sizes 22D, 22M, 22, 20, 16, and 12. With options for aluminum shells and plating in cadmium-free finishes, they meet RoHS compliance standards. Perfect for military and industrial applications, these connectors provide reliable performance with gold-plated contacts, a straight plug design, and a service rating of I for potting.