MIL-DTL-38999 Series II connectors are designed for rugged environments, with up to 128 contacts in an insert and an impressive operating temperature range of -65°C to 200°C. These connectors come in various styles, including front and rear wall mounts, jam nuts, and box mounts, offering versatility in installation. Featuring thin walls and restricted lengths, they are ideal for space-constrained applications. Available in 9 shell sizes and 52 insert arrangements, these connectors use M39029 rear release crimp contacts for reliable connections. Constructed with aluminum shells and offered in different plating options, including cadmium-free finishes, they ensure durability and compliance. With gold-plated contacts and electroless nickel or olive drab cadmium coatings, they guarantee excellent conductivity and protection against harsh elements. Suitable for military and industrial use, these MIL-DTL-38999 II connectors are the perfect choice for demanding environments.