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 mount types, including jam nut, front and rear wall mount, and box mount receptacles, these connectors offer versatility. With 52 insert arrangements and M39029 rear release crimp contacts, they ensure reliable connections. Constructed with aluminum shells and offering plating options like cadmium and nickel, they provide durability. RoHS compliant finishes are also available. Suitable for military applications, these connectors guarantee high performance in demanding conditions.