The MIL-DTL-38999 Series II connectors boast high performance with up to 128 contacts housed in a rugged insert, ideal for harsh environments. Featuring various mounting options including front and rear wall, jam nut, and box mounts, these connectors ensure secure and reliable connections. With operating temperatures ranging from -65 °C to 200 °C, they are built to withstand extreme conditions. Offering versatility, they come in 9 shell sizes and 52 insert arrangements, accommodating M39029 rear release crimp contacts. Constructed with aluminum shells and available in different plating options, such as gold and electroless nickel, these connectors meet stringent military specifications. Designed for durability, they are RoHS compliant, making them a trustworthy choice for demanding applications.