The MIL-DTL-38999 Series I connectors offer a rugged solution for harsh environments, boasting up to 128 contacts housed in an environmentally sealed insert. With a wide operating temperature range of -65 °C to 200 °C, these connectors are versatile and reliable. Available in various shell sizes and insert arrangements, they feature M39029 rear release crimp contacts for secure connections. Constructed with high-strength aluminum shells and offering plating options including cadmium-free finishes, they ensure durability and performance. The connector family includes front and rear wall mount options, as well as jam nut receptacles and RFI grounding plugs. Ideal for military and industrial applications, these connectors meet stringent MIL-DTL-38999 I specifications, providing a dependable solution for electrical connectivity in demanding environments.