MIL-DTL-38999 Series I connectors offer reliable connectivity in harsh environments, featuring up to 128 contacts in an insert. With a wide operating temperature range of -65 °C to 200 °C, they are suitable for a variety of applications. Available in 9 shell sizes and 52 insert arrangements, these connectors come in front wall mount, rear wall mount, and jam nut receptacle options, along with RFI grounding plugs. Constructed with high-strength aluminum shells and various plating options, including RoHS certified finishes, they ensure durability and performance. Utilizing M39029 rear release crimp contacts, they guarantee secure connections. Perfect for military and industrial use, these connectors meet MIL-DTL-38999 I specifications, providing a high level of environmental sealing and conductivity.