MIL-DTL-38999 Series I connectors offer a rugged solution for harsh environments, featuring up to 128 contacts in an insert. With a wide operating temperature range of -65 °C to 200 °C, these connectors are ideal for demanding applications. Available in various shell sizes and insert arrangements, they utilize M39029 rear release crimp contacts for secure connections. The high-strength aluminum shells come in different plating options, including cadmium-free finishes for RoHS compliance. Whether for front or rear wall mount or jam nut receptacles, these connectors ensure reliable performance with their bayonet coupling and environmentally sealed design. Suitable for military and industrial use, they guarantee durability and conductivity, making them essential components for critical systems.