MIL-DTL-38999 Series II connectors feature up to 128 contacts in an insert, designed for harsh environments with an operating temperature range of -65 °C to 200 °C. These connectors come in various configurations including front and rear wall mount, jam nut, and box mount receptacles, with straight, RFI grounding, and standard plugs available. Compliant with military specification MIL-DTL-38999 II, they offer reliable performance with M39029 rear release crimp contacts in different sizes. Constructed with aluminum shells and available in multiple plating options, these connectors ensure durability. The RoHS compliant cadmium-free finishes cater to environmental standards. Suitable for demanding applications, they provide secure connectivity with 500 mating cycles.