MIL-DTL-38999 Series I connectors feature up to 128 contacts in an insert, designed for harsh environments with an operating temperature range of -65 °C to 200 °C. Available in various shell sizes and insert arrangements, they offer front and rear wall mount options, along with jam nut receptacles and RFI grounding plugs. Utilizing M39029 rear release crimp contacts, these connectors come in durable high-strength aluminum shells with multiple plating choices, including RoHS-certified options. Suitable for military and industrial applications, they ensure reliable connectivity with gold-plated removable crimp contacts. With a bayonet coupling and environment-resistant design, these connectors meet stringent performance standards for demanding environments.