MIL-DTL-38999 Series I connectors offer high-performance connectivity with up to 128 contacts, designed for harsh environments. Featuring front and rear wall mount options, as well as jam nut receptacles, they ensure secure installations. These circular connectors, compliant with military specification MIL-DTL-38999 I, are crafted with durable aluminum shells and are available in various plating finishes, including RoHS-certified options. With a wide operating temperature range of -65°C to 200°C, they guarantee reliability in extreme conditions. Utilizing M39029 rear release crimp contacts, these connectors provide efficient signal transmission. Suitable for a range of applications, they offer environment-resistant protection and conductivity, making them ideal for demanding industrial and military environments.