The MIL-DTL-38999 Series II connectors are designed for harsh environments, featuring up to 128 contacts in a sealed insert. With an impressive operating temperature range of -65°C to 200°C, these connectors offer reliable performance in extreme conditions. Available in various mounting styles such as front wall mount, rear wall mount, and jam nut, they provide flexibility for different applications. Utilizing M39029 rear release crimp contacts, these connectors ensure secure connections. Constructed with aluminum shells and offered in a range of plating options, including RoHS compliant finishes, they meet stringent environmental standards. Ideal for military and industrial use, these connectors guarantee durability and longevity, with a service life of 500 cycles.