The MIL-DTL-38999 Series II connectors offer robust performance in harsh environments, featuring up to 128 contacts and environmental sealing for reliable operation. With an impressive operating temperature range of -65 °C to 200 °C, these connectors are suitable for a wide range of applications. Available in various mounting options including front and rear wall mount, jam nut, and box mount receptacles, they provide flexibility in installation. The aluminum shells come with a choice of plating options, including cadmium-free finishes, ensuring compliance with RoHS regulations. Utilizing M39029 rear release crimp contacts, these connectors guarantee secure and efficient connections. Ideal for military and industrial use, they boast durability with a mating life of 500 cycles, making them a dependable choice for demanding environments.