MIL-DTL-38999 Series II connectors feature up to 128 contacts in an insert, designed for harsh environments with an operating temperature range of -65 °C to 200 °C. Available in various mounting options like front wall mount, rear wall mount, and jam nut, these connectors offer versatility. With 52 insert arrangements and M39029 rear release crimp contacts, they ensure secure connections. Made of aluminum with plating options such as electroless nickel, they meet RoHS standards. Suitable for military and industrial applications, these connectors provide reliable performance in demanding conditions.