MIL-DTL-38999 Series II connectors offer high-performance connectivity with up to 128 contacts in an insert, suitable for harsh environments. Featuring various mounting options like front and rear wall mount, jam nut, and box mount receptacles, they ensure versatile installation. These connectors, compliant with military specification MIL-DTL-38999 II, are constructed with durable aluminum shells and offer multiple plating options for optimal protection. With a wide operating temperature range of -65°C to 200°C and RoHS compliant finishes available, they guarantee reliable performance in diverse applications. Conductive and EMI/RFI shielding options, along with removable crimp contacts, ensure secure and efficient signal transmission. Designed for 500 mating cycles and with environmental resistance, these connectors are ideal for demanding scenarios requiring rugged and dependable connectivity.