MIL-DTL-38999 Series I connectors offer high-performance connectivity with up to 128 contacts in a sealed insert. Designed for harsh environments, these connectors feature various mounting options including front and rear wall mount, as well as jam nut receptacles. They meet stringent military specifications and come in 9 shell sizes and 52 insert arrangements, utilizing reliable M39029 rear release crimp contacts. With a temperature range of -65 °C to 200 °C, they ensure durable operation in extreme conditions. Made of high-strength aluminum with multiple plating options, including RoHS-compliant finishes, these connectors provide reliable and long-lasting performance for a wide range of applications.