The MIL-DTL-38999 Series I connectors feature up to 128 contacts in an insert, designed for harsh environments with an operating temperature range of -65°C to 200°C. Available in various shell sizes and insert arrangements, they offer front and rear wall mount options, as well as jam nut receptacles and RFI grounding plugs. Constructed with high-strength aluminum shells, these connectors come with a choice of plating options including cadmium-free finishes. Utilizing M39029 rear release crimp contacts, they ensure reliable performance with gold contact plating and a mating style of bayonet coupling. Suitable for military and industrial applications, these connectors meet MIL-DTL-38999 I specifications for durability and environmental resistance.