MIL-DTL-38999 Series I connectors offer rugged performance with up to 128 contacts in an insert, boasting environmental sealing for reliable operation in harsh conditions. Featuring various mounting options such as front wall, rear wall, and jam nut receptacles, they are designed for secure connectivity. Utilizing M39029 rear release crimp contacts in sizes 22D, 22M, 22, 20, 16, and 8, these connectors ensure efficient signal transmission. Available in 9 shell sizes and 52 insert arrangements, they cater to diverse application needs. Crafted from high-strength aluminum with plating options including cadmium and nickel, these connectors guarantee durability. With RoHS compliant finishes, they offer peace of mind in terms of environmental standards. Operating within a wide temperature range of -65 °C to 200 °C, these connectors are suitable for demanding scenarios, making them a reliable choice for military and industrial applications.