MIL-DTL-38999 Series I connectors are designed for harsh environments, featuring up to 128 contacts in an insert with a wide operating temperature range of -65 °C to 200 °C. This connector family includes front wall mount, rear wall mount, and jam nut receptacles, all RFI grounded. Available in 9 shell sizes and 52 insert arrangements, they use M39029 rear release crimp contacts. The connectors come in high-strength aluminum shells with various plating options such as cadmium and nickel, including RoHS compliant finishes. Suitable for military and industrial applications, these circular receptacles offer reliable electrical connections with gold-plated sockets and a service rating of I for environment-resistant performance.
