MIL-DTL-38999 Series I connectors offer rugged reliability with up to 128 contacts in a sealed insert, ideal for harsh environments. Featuring front and rear wall mount options, as well as jam nut receptacles, they ensure secure connections. With a wide operating temperature range from -65 °C to 200 °C, these connectors are suitable for diverse applications. Available in 9 shell sizes and 52 insert arrangements, they utilize M39029 rear release crimp contacts for efficient connectivity. Constructed with high-strength aluminum shells and offered in various plating options, including RoHS-certified finishes, these connectors guarantee durability and performance. Perfect for military and industrial use, they meet stringent MIL-DTL-38999 I specifications.