The MIL-DTL-38999 Series I connectors feature up to 128 contacts in an environmentally sealed insert, operating reliably in temperatures ranging from -65 °C to 200 °C. Designed for harsh environments, this connector family includes front and rear wall mount as well as jam nut receptacles, with options for RFI grounding plugs. Available in 9 shell sizes and 52 insert arrangements, they utilize M39029 rear release crimp contacts in various sizes, including coax and twinax. Constructed with high-strength aluminum shells, these connectors offer a choice of plating options such as cadmium finishes and electroless nickel, with RoHS-certified cadmium-free alternatives. Suitable for military and industrial applications, they provide reliable connectivity with gold-plated contacts and a service rating of I. The shell style for this specific model is a back panel box mounting receptacle, featuring a bayonet coupling for secure mating. With a contact gender of female and a contact style of socket, these connectors ensure efficient and durable performance, meeting the stringent requirements of MIL-DTL-38999 I specifications.
