MIL-DTL-38999 Series I connectors feature up to 128 contacts in an environmentally sealed insert, ideal for harsh environments. With a wide operating temperature range of -65 °C to 200 °C, they offer reliability in extreme conditions. Available in various shell sizes and insert arrangements, these connectors come in high-strength aluminum shells with options for plating, including cadmium-free finishes. The connectors, compliant with military specification MIL-DTL-38999 I, offer versatility with front wall mount, rear wall mount, and jam nut receptacle options. Utilizing M39029 rear release crimp contacts, they ensure secure connections. Suitable for military and industrial applications, these connectors guarantee durability and performance, with RoHS-certified options available.