MIL-DTL-38999 Series I connectors offer reliable performance in harsh environments with up to 128 contacts in an insert. These environmentally sealed connectors feature front wall mount, rear wall mount, and jam nut receptacles, along with RFI grounding plugs. Available in 9 shell sizes and 52 insert arrangements, they utilize M39029 rear release crimp contacts for secure connections. With an operating temperature range of -65°C to 200°C, these connectors are perfect for demanding applications. Constructed with high strength aluminum shells and various plating options including cadmium-free finishes, they ensure durability and longevity. The straight plug design, along with gold contact plating, guarantees efficient and conductive connections. Suitable for military and industrial use, MIL-DTL-38999 Series I connectors meet stringent performance standards for reliability in the most challenging environments.