The MIL-DTL-38999 Series II connectors are designed for harsh environments, featuring up to 128 contacts in an insert. With an operating temperature range of -65°C to 200°C, they are ideal for demanding applications. Available in various configurations such as front and rear wall mount, jam nut, and box mount receptacles, these connectors offer versatility. Constructed with aluminum shells and offering different plating options, including gold, they ensure reliable conductivity. Utilizing M39029 rear release crimp contacts, they provide secure connections. With RoHS compliant finishes available, these connectors meet environmental standards, making them suitable for a wide range of industries.