The MIL-DTL-38999 Series I connectors offer robust connectivity solutions for harsh environments. Featuring up to 128 contacts, they are designed for durability and reliability. With a wide operating temperature range of -65 °C to 200 °C, these connectors are suitable for a variety of applications. Available in various shell sizes and insert arrangements, they accommodate different needs with options for front wall mount, rear wall mount, and jam nut receptacles. Constructed with high-strength aluminum shells and offering multiple plating options, including RoHS certified finishes, they ensure long-lasting performance. Utilizing M39029 rear release crimp contacts, these connectors provide secure connections for sizes 22D, 22M, 22, 20, 16, and 8. Whether for military, aerospace, or industrial use, the MIL-DTL-38999 I connectors deliver superior conductivity and environmental sealing in a compact and efficient design.