MIL-DTL-38999 Series II connectors feature up to 128 contacts within an insert, designed for harsh environments with an operating temperature range of -65 °C to 200 °C. Available in various mounting options such as front wall mount, rear wall mount, jam nut, and more, these connectors offer versatility in installation. With 52 insert arrangements and M39029 rear release crimp contacts, they ensure reliable connections. Constructed with aluminum shells and plated in options like electroless nickel and cadmium finishes, they meet stringent military specifications for durability. Suitable for demanding applications, these connectors guarantee secure and efficient electrical connectivity.