MIL-DTL-38999 Series II connectors offer robust connectivity with up to 128 contacts in an insert, designed for harsh environments. Featuring various mounting options including front and rear wall mount, jam nut, and box mount receptacles, they provide versatility in installation. With a wide operating temperature range from -65 °C to 200 °C, these connectors ensure reliable performance in extreme conditions. Made of durable aluminum shells and available in multiple plating options, they meet stringent military specifications for durability and reliability. The connectors utilize M39029 rear release crimp contacts, offering secure and efficient connections. RoHS compliant finishes are also available, making them suitable for a range of applications requiring environmental protection.