The MIL-DTL-38999 Series II connectors offer high performance in harsh environments, featuring up to 128 contacts in a durable insert. With environmental sealing and a wide operating temperature range from -65°C to 200°C, these connectors ensure reliability in extreme conditions. Available in various mounting options such as front and rear wall mount, jam nut, and box mount receptacles, they offer versatility for different applications. Utilizing M39029 rear release crimp contacts, they provide secure connections in sizes 22D, 22M, 22, 20, 16, and 12. Constructed with aluminum shells and offered in multiple plating options including cadmium-free finishes, these connectors meet stringent military specifications for performance and durability. Suitable for use in demanding environments, they are ideal for aerospace, defense, and industrial applications where rugged and reliable connectivity is essential.