MIL-DTL-38999 Series I connectors offer high-performance connectivity with up to 128 contacts in a durable insert. Designed for harsh environments, they feature front and rear wall mount options, as well as jam nut receptacles with RFI grounding plugs. With a wide operating temperature range of -65 °C to 200 °C, these connectors are suitable for demanding applications. Available in 9 shell sizes and 52 insert arrangements, they use M39029 rear release crimp contacts for secure connections. The connectors come in high-strength aluminum shells with various plating options, including cadmium-free finishes. Meeting MIL-DTL-38999 I military specifications, they ensure reliable performance in rugged conditions.