The MIL-DTL-38999 Series II connectors feature up to 128 contacts within an insert, designed for harsh environments with operating temperatures ranging from -65°C to 200°C. Available in various mounting styles including front wall mount, rear wall mount, jam nut, and more, these connectors offer versatility for different applications. With 52 insert arrangements and utilizing M39029 rear release crimp contacts, they provide reliable connectivity. Constructed with aluminum shells and offering multiple plating options, including RoHS compliant finishes, these connectors ensure durability and performance. Ideal for military and industrial use, they meet stringent specifications for environmental resistance and reliability.