MIL-DTL-38999 Series II connectors are designed for harsh environments, offering up to 128 contacts in an insert. With front and rear wall mount, jam nut, and box mount options, they provide versatile connectivity solutions. These connectors feature a wide operating temperature range of -65°C to 200°C, ensuring reliable performance in extreme conditions. Compliant with military specification MIL-DTL-38999 II, they are constructed with aluminum shells and offer various plating options, including cadmium-free finishes. Utilizing M39029 rear release crimp contacts, they guarantee secure connections with sizes ranging from 22D to 12. Ideal for aerospace, defense, and industrial applications, these connectors are known for their durability and conductivity, meeting stringent quality standards for environmental resistance and service longevity.