The MIL-DTL-38999 Series II connectors are designed for demanding environments, featuring up to 128 contacts in an insert. With a wide 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 versatility for different applications. Utilizing M39029 rear release crimp contacts, these connectors ensure secure connections. Constructed with aluminum shells and offering multiple plating options including cadmium-free finishes, they meet stringent military specifications. RoHS compliant and with a service rating of M, these connectors are ideal for applications requiring high reliability and durability.