MIL-DTL-38999 Series II connectors feature up to 128 contacts in an insert, designed for harsh environments with an operating temperature range of -65 °C to 200 °C. Available in various mounting options like front and rear wall mount, jam nut, and box mount receptacles, they offer versatility for different applications. These connectors, compliant with military specification MIL-DTL-38999 II, come in aluminum shells with multiple plating choices, including cadmium-free finishes. Utilizing M39029 rear release crimp contacts, they ensure reliable connectivity with gold-plated contacts. With a bayonet coupling mechanism and environmental sealing, they provide secure and durable performance, ideal for demanding military and industrial environments.