MIL-DTL-38999 Series I connectors offer robust connectivity with up to 128 contacts in an insert, designed for harsh environments. These circular receptacles, available in various mounting options, feature M39029 rear release crimp contacts for secure connections. Crafted from high-strength aluminum, they withstand extreme temperatures ranging from -65 °C to 200 °C. With a choice of plating finishes, including RoHS-certified options, these connectors ensure reliable performance in demanding applications, meeting MIL-DTL-38999 I military specifications.