MIL-DTL-38999 Series II connectors feature up to 128 contacts enclosed in a sealed insert, designed for harsh environments with an operating temperature range of -65 °C to 200 °C. Available in various mounting options like jam nut, front, and rear wall mount, these connectors ensure secure and reliable connections. Offering 52 insert arrangements with M39029 rear release crimp contacts, they guarantee versatility in application. Constructed with durable aluminum shells and plated in options like electroless nickel and cadmium, they provide enhanced durability. With a mating type of bayonet, these connectors are ideal for military and industrial use, meeting rigorous standards for performance and reliability.