The MIL-DTL-38999 Series II connectors are designed for harsh environments, offering up to 128 contacts in an environmentally sealed insert. With an operating temperature range of -65°C to 200°C, these connectors provide reliable performance in extreme conditions. Available in various mounting styles including front and rear wall mount, jam nut, and box mount, they cater to diverse installation needs. Featuring removable crimp contacts and gold plating, they ensure secure and durable connections. Constructed with aluminum shells and offering RoHS compliant finishes, these connectors guarantee both durability and environmental responsibility. Suitable for military and industrial applications, they boast a service rating of I and a mating life of 500 cycles. With their EMI/RFI shielding and conductive properties, they ensure reliable signal transmission in demanding environments.