MIL-DTL-38999 Series I connectors offer robust performance in harsh environments, featuring up to 128 contacts sealed for environmental protection. With an impressive operating temperature range spanning from -65 °C to 200 °C, these connectors ensure reliable functionality under extreme conditions. Available in various configurations including front and rear wall mount as well as jam nut receptacles, they accommodate a wide range of applications. The connector family boasts 9 shell sizes and 52 insert arrangements, utilizing M39029 rear release crimp contacts for secure connections. Constructed with high strength aluminum shells and offering multiple plating options, including RoHS certified finishes, these connectors guarantee durability and compliance with industry standards. Suitable for military and industrial use, MIL-DTL-38999 Series I connectors are the ideal choice for demanding connectivity needs.