MIL-DTL-38999 Series I connectors are designed for rugged environments with up to 128 contacts, sealed for protection. Operating in temperatures from -65°C to 200°C, they offer versatility in harsh conditions. Available in various shell sizes and insert arrangements, they feature front and rear wall mount options, as well as jam nut receptacles. Utilizing M39029 rear release crimp contacts, these connectors ensure secure connections. Constructed with high-strength aluminum shells and offering multiple plating options, including cadmium-free finishes, they meet RoHS certification. With gold contact plating for optimal conductivity and a bayonet mating type, these connectors provide reliable performance. Suitable for military and industrial applications, they offer durability and environmental resistance.