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 environmentally sealed connectors offer various mounting options including front wall mount, rear wall mount, jam nut, rear box mount, and front box mount receptacles. Available in 9 shell sizes and 52 insert arrangements, they use M39029 rear release crimp contacts in sizes 22D, 22M, 22, 20, 16, and 12. Constructed with aluminum shells, they come with plating options such as light iridescent yellow cadmium, olive drab cadmium, electroless nickel, and black anodized aluminum, some of which are RoHS compliant. Ideal for military and industrial applications, these connectors ensure reliable performance with gold-plated removable crimp contacts, bayonet coupling, and a service rating of I for environment-resistant operations.
