The MIL-DTL-38999 Series II connectors offer robust performance in harsh environments, featuring up to 128 contacts sealed for environmental protection. With an operating temperature range spanning from -65 °C to 200 °C, these connectors are ideal for diverse applications. Available in various configurations such as front wall mount, rear wall mount, jam nut, and box mount receptacles, they provide versatility in installation. The connectors come in aluminum shells with options for plating, including electroless nickel and cadmium finishes. Featuring removable crimp contacts for easy maintenance, they ensure reliable connectivity with a mating life of 500 cycles. With RoHS compliance and a service rating of I, these connectors guarantee quality and durability for military and industrial use.