MIL-DTL-38999 Series I connectors offer exceptional durability and performance for harsh environments. With up to 128 contacts in an insert, these connectors are ideal for demanding applications. Featuring environmentally sealed construction, they can operate reliably in temperatures ranging from -65 °C to 200 °C. Available in various shell sizes and insert arrangements, they utilize M39029 rear release crimp contacts for secure connections. The high strength aluminum shells come with a choice of plating options, including cadmium-free finishes for RoHS compliance. Offering a range of receptacles and grounding plugs, these connectors guarantee reliable connectivity in mission-critical systems.