MIL-DTL-38999 Series I connectors offer rugged reliability in harsh environments, featuring up to 128 contacts within an environmentally sealed insert. With a wide operating temperature range of -65°C to 200°C, these connectors are suitable for demanding applications. Available in various configurations including front and rear wall mount receptacles, as well as jam nut receptacles, they meet stringent military specifications. Utilizing M39029 rear release crimp contacts in sizes 22D, 22M, 22, 20, 16, and 8, these connectors ensure secure and efficient connections. Constructed with high-strength aluminum shells and offering multiple plating options such as gold, electroless nickel, and cadmium finishes, they provide enhanced durability. RoHS compliant versions are also available, catering to environmental regulations. With a service rating of M and a contact mating life of 500 cycles, these connectors guarantee long-lasting performance in critical operations.