MIL-DTL-38999 Series II connectors offer high-performance connectivity with up to 128 contacts in an environmentally sealed insert. Designed for harsh environments, these connectors feature various mounting options such as front and rear wall mount, jam nut, and box mount receptacles. Available in 9 shell sizes and 52 insert arrangements, they utilize M39029 rear release crimp contacts for secure connections. With a wide operating temperature range of -65 °C to 200 °C, these connectors are ideal for demanding applications. Constructed with aluminum shells and offering multiple plating options including cadmium-free finishes, they ensure reliable performance in diverse settings. Suitable for military and industrial use, these connectors meet MIL-DTL-38999 II specifications and are RoHS compliant.