MIL-DTL-38999 Series I connectors offer high-performance connectivity with up to 128 contacts in a durable insert suitable for harsh environments. Featuring front and rear wall mount options, as well as jam nut receptacles, these connectors are designed for reliable operation in challenging conditions. With a wide operating temperature range from -65°C to 200°C, they are ideal for demanding applications. The connectors come in 9 shell sizes and 52 insert arrangements, accommodating various contact types including M39029 rear-release crimp contacts. Constructed with high-strength aluminum shells and available in different plating options, such as cadmium-free finishes, these connectors ensure longevity and performance. Compliance with MIL-DTL-38999 I specifications guarantees quality and reliability, making them a preferred choice for military and industrial use.