MIL-DTL-38999 Series II connectors are rugged and versatile, offering up to 128 contacts in an environmentally sealed insert. Designed for harsh environments, they boast an operating temperature range from -65°C to 200°C. Available in various mounting styles including front and rear wall mount, jam nut, and box mount receptacles, these connectors are suitable for a wide range of applications. Featuring gold-plated removable crimp contacts, they ensure reliable conductivity with a mating life of 500 cycles. The aluminum shells come in multiple plating options, including electroless nickel and cadmium olive drab, meeting stringent military specifications. RoHS compliant finishes are also available, making them environmentally friendly. With their durable construction and high-performance features, these connectors are ideal for demanding industrial and military applications.