MIL-DTL-38999 Series I connectors feature up to 128 contacts in an insert, designed for harsh environments with operating temperatures ranging from -65°C to 200°C. Available in front wall mount, rear wall mount, and jam nut receptacles, they offer RFI grounding plugs and utilize M39029 rear release crimp contacts in various sizes. With 9 shell sizes and 52 insert arrangements, these connectors are highly versatile. Constructed with high-strength aluminum shells, they come in a range of plating options including cadmium-free finishes. Meeting military specification MIL-DTL-38999 I, they provide reliable connectivity with gold-plated contacts and a bayonet coupling. Suitable for applications requiring environmental resistance, these connectors are ideal for demanding settings.