MIL-DTL-38999 Series II connectors are designed for rugged environments, featuring up to 128 contacts and a wide operating temperature range of -65 °C to 200 °C. Available in various configurations such as front and rear wall mounts, jam nut, and box mounts, these connectors offer versatility in installation. With aluminum shells and options for plating including cadmium and electroless nickel, they ensure durability and reliability. Utilizing M39029 rear release crimp contacts, they provide secure connections. Meeting military specifications, these connectors are ideal for applications that require high performance in harsh conditions.