MIL-DTL-38999 Series II connectors are designed for rugged environments, with up to 128 contacts sealed for protection. Operating seamlessly in temperatures ranging from -65 °C to 200 °C, these connectors offer reliability in extreme conditions. Featuring various mounting options like front and rear wall mount, jam nut, and box mount receptacles, they cater to diverse installation needs. Available in 9 shell sizes and 52 insert arrangements, they boast versatility in connectivity. Utilizing M39029 rear release crimp contacts, these connectors ensure secure contact points. Crafted from aluminum, they come with plating options like cadmium and nickel, meeting RoHS certification standards. Suitable for military and industrial applications, these connectors guarantee efficiency and durability in demanding settings.