MIL-DTL-38999 Series I connectors feature up to 128 contacts housed in an insert, ensuring robust connectivity in harsh environments. With front wall mount, rear wall mount, and jam nut receptacles, they offer versatility in installation. These connectors, compliant with military specification MIL-DTL-38999 I, are designed for high performance, with an operating temperature range of -65°C to 200°C. They come in 9 shell sizes and 52 insert arrangements, accommodating various applications. Utilizing M39029 rear release crimp contacts, they ensure secure connections in sizes 22D, 22M, 22, 20, 16, and 8 (including coax and twinax). Constructed with high-strength aluminum shells and available in different plating options, such as cadmium and nickel finishes, they offer durability and reliability. From gold-plated contacts to RoHS compliant finishes, these connectors meet stringent quality standards, making them ideal for mission-critical operations.