MIL-DTL-38999 Series II connectors offer robust performance in harsh environments with up to 128 contacts sealed for protection. Engineered for durability, they operate reliably in temperatures ranging from -65 °C to 200 °C. Featuring various mounting options such as front and rear wall mount, jam nut, and box mount receptacles, these connectors are versatile for different applications. Available in aluminum shells with plating options including cadmium-free finishes, they meet RoHS certification standards. Utilizing M39029 rear release crimp contacts, they ensure secure connections in critical operations. With a mating type of bayonet coupling and contact gender of female, these connectors guarantee efficient signal transmission. Suitable for military and industrial use, they are designed for 500 mating cycles, making them a reliable choice for demanding environments.