MIL-DTL-38999 Series I connectors offer reliable performance in harsh environments with up to 128 contacts in an insert. Featuring front and rear wall mount options, as well as jam nut receptacles, these connectors are designed for durability. With an operating temperature range from -65 °C to 200 °C, they are suitable for a wide range of applications. Utilizing M39029 rear release crimp contacts, these connectors come in 9 shell sizes and 52 insert arrangements, accommodating various needs. The high strength aluminum shells are available in different plating options, including cadmium-free finishes, ensuring compliance with RoHS regulations. From military to industrial settings, these connectors provide secure and efficient electrical connections.