MIL-DTL-38999 Series I connectors offer robust performance in harsh environments, boasting up to 128 contacts and a wide operating temperature range of -65 °C to 200 °C. These environmentally sealed connectors come in various styles including front and rear wall mount, as well as jam nut receptacles, all featuring RFI grounding plugs. With 9 shell sizes and 52 insert arrangements available, they accommodate diverse connectivity needs using M39029 rear release crimp contacts. The high strength aluminum shells are offered in multiple plating options, ensuring durability in demanding applications. Meeting MIL-DTL-38999 I specifications, these connectors guarantee reliable performance, making them ideal for military and aerospace applications.