MIL-DTL-38999 Series I connectors offer reliable connectivity in harsh environments, featuring up to 128 contacts in an insert. With front and rear wall mount options, as well as jam nut receptacles, they provide versatile installation possibilities. These connectors, meeting military specification MIL-DTL-38999 I, are designed for durability, with a wide operating temperature range from -65 °C to 200 °C. Utilizing M39029 rear release crimp contacts, they ensure secure connections in sizes 22D, 22M, 22, 20, 16, and 8. The high-strength aluminum shells come in various plating options, including cadmium-free finishes for RoHS compliance. Suitable for demanding applications, these connectors guarantee performance and longevity, with conductivity and environmental resistance built-in.