MIL-DTL-38999 Series I connectors are rugged and reliable solutions for harsh environments. With up to 128 contacts in an insert, these circular receptacles feature front and rear wall mount options, as well as jam nut receptacles and RFI grounding plugs. Operating temperatures ranging from -65 °C to 200 °C make them suitable for a wide range of applications. Available in nine shell sizes and 52 insert arrangements, they use M39029 rear release crimp contacts for secure connections. The high-strength aluminum shells come in various plating options, including cadmium-free finishes, ensuring durability and environmental compliance. With gold contact plating and a bayonet coupling design, these connectors offer efficient and reliable performance. Suitable for box mounting applications, they are designed for 500 mating cycles and provide excellent conductivity. With their environment-resistant construction, they are ideal for demanding military and industrial settings.
