The MIL-DTL-38999 Series I connectors are designed for harsh environments, featuring up to 128 contacts in an insert. With a wide operating temperature range of -65°C to 200°C, these connectors are ideal for demanding applications. Available in various shell sizes and insert arrangements, they offer flexibility in design. The connectors come in high-strength aluminum shells with options for different platings, including cadmium-free finishes for RoHS compliance. Featuring front wall mount, rear wall mount, and jam nut receptacles, along with RFI grounding plugs, they ensure secure connections. Utilizing M39029 rear release crimp contacts, these connectors guarantee reliable performance. Suitable for military and industrial use, they provide excellent conductivity and environmental resistance, making them essential components in critical systems.