MIL-DTL-38999 Series I connectors offer high performance in harsh environments, featuring up to 128 contacts within an insert. With options for front wall mount, rear wall mount, and jam nut receptacles, these connectors are versatile and reliable. Operating temperatures ranging from -65°C to 200°C make them suitable for a wide range of applications. Constructed with high-strength aluminum shells and available in various plating options, including cadmium-free finishes, they ensure durability and compatibility. The connectors utilize M39029 rear release crimp contacts in sizes 22D, 22M, 22, 20, 16, and 8, accommodating different contact needs. Their bayonet coupling mechanism and RFI grounding plugs enhance ease of use and performance. MIL-DTL-38999 I connectors are ideal for military, aerospace, and other demanding environments where secure and efficient electrical connections are essential.