MIL-DTL-38999 Series II connectors are designed for demanding environments, featuring up to 128 contacts housed in a rugged insert with environmental sealing. With a wide operating temperature range of -65 °C to 200 °C, they ensure reliable performance in extreme conditions. Available in various styles including front and rear wall mount, jam nut, and box mount receptacles, these connectors offer versatility in installation. Constructed with aluminum shells and offering multiple plating options, they meet stringent military specifications for durability. The connectors use M39029 rear release crimp contacts, providing secure connections. RoHS compliant finishes are also available. Perfect for applications requiring high reliability and resilience, the MIL-DTL-38999 Series II connectors are ideal for use in aerospace, defense, and other critical industries.