MIL-DTL-38999 Series I connectors offer high-performance connectivity with up to 128 contacts, ideal for harsh environments. Featuring front wall mount, rear wall mount, and jam nut receptacles, they ensure secure connections in demanding conditions. With an operating temperature range of -65 °C to 200 °C, these connectors are designed for reliability in extreme settings. Available in 9 shell sizes and 52 insert arrangements, they accommodate various applications. Utilizing M39029 rear release crimp contacts, they guarantee efficient signal transmission. The connectors come in high-strength aluminum shells with a choice of plating options, including cadmium-free finishes. Their military-grade construction and RoHS compliance make them a trusted choice for aerospace, defense, and industrial applications.