The MIL-DTL-38999 Series I connectors offer robust connectivity solutions for harsh environments, featuring up to 128 contacts housed in a sealed insert. With a wide operating temperature range of -65 °C to 200 °C, these connectors are ideal for demanding applications. Available in various mounting options including front wall, rear wall, and jam nut receptacles, they ensure secure installations. The connector family boasts 9 shell sizes and 52 insert arrangements, accommodating different contact sizes and types. Constructed with high-strength aluminum shells and offering multiple plating options, including cadmium-free finishes, they meet stringent military specifications. With gold-plated removable crimp contacts, these connectors guarantee reliable and durable electrical connections. Mating through bayonet coupling, they provide easy and efficient assembly. Suitable for environments requiring high conductivity and ingress protection, these connectors are essential for mission-critical operations.