MIL-DTL-38999 Series I connectors feature up to 128 contacts in a sealed insert, designed for harsh environments with an operating range of -65 °C to 200 °C. Available in front wall mount, rear wall mount, and jam nut receptacles, these connectors are MIL-DTL-38999 I compliant and offer versatility with 52 insert arrangements. Utilizing M39029 rear release crimp contacts, they ensure secure connections in sizes 22D, 22M, 22, 20, 16, and 8 for coax and twinax applications. Constructed with high-strength aluminum shells, they come in various plating options including cadmium-free finishes. With RoHS certification, these connectors are ideal for demanding military and industrial environments requiring reliable conductivity and environmental protection.