MIL-DTL-38999 Series II connectors are designed for harsh environments, featuring up to 128 contacts in an insert. With environmental sealing and a wide operating temperature range from -65 °C to 200 °C, they ensure reliable performance in demanding conditions. Available in various configurations including front and rear wall mount, jam nut, and box mount receptacles, these connectors offer versatility. The aluminum shells come with a choice of plating options, including cadmium-free finishes, meeting RoHS certification. Utilizing M39029 rear release crimp contacts, they guarantee secure connections. Suitable for military and industrial applications, these connectors are essential for mission-critical operations.