MIL-DTL-38999 Series II connectors are designed for harsh environments, featuring up to 128 contacts in an insert with environmental sealing. Operating between -65 °C and 200 °C, these connectors are versatile and reliable. Available in various mounting options such as front wall mount and jam nut receptacles, they cater to diverse applications. With 52 insert arrangements and using M39029 rear release crimp contacts, they ensure secure connections. Constructed with aluminum shells and offering multiple plating options including cadmium-free finishes, these connectors meet stringent requirements. Perfect for military and industrial use, they guarantee durability and performance in demanding conditions.