MIL-DTL-38999 Series I connectors, part of the military-specification family, offer robust connectivity with up to 128 contacts in an environmentally sealed insert. Designed for harsh environments, these connectors feature front wall mount, rear wall mount, and jam nut receptacles, along with RFI grounding plugs. Available in 9 shell sizes and 52 insert arrangements, they use M39029 rear release crimp contacts in various sizes. Constructed with high-strength aluminum shells, they come in plating options like electroless nickel and cadmium finishes. RoHS certified options are also available, ensuring compliance with environmental standards. Suitable for a wide range of applications, these connectors guarantee reliable performance in extreme conditions.