MIL-DTL-38999 Series II connectors feature up to 128 contacts in an environmentally sealed insert, designed for harsh environments with an operating temperature range of -65 °C to 200 °C. Available in various mounting options including front and rear wall mount, jam nut, and box mount receptacles, these connectors offer versatility in installation. Compliant with military specification MIL-DTL-38999 II, they are constructed with aluminum shells and offer multiple plating options, including RoHS-certified finishes. Utilizing M39029 rear release crimp contacts, these connectors ensure reliable connectivity in demanding applications. With a contact gender of male and contact styles ranging from pin to socket, they cater to diverse connection needs. Designed for 500 mating cycles, these connectors are suitable for critical military and aerospace applications requiring high performance and durability in extreme operating conditions.