MIL-DTL-38999 Series II connectors offer robust functionality with up to 128 contacts in an insert, designed for harsh environments. Featuring various mounting options like front and rear wall mount, jam nut, and box mount receptacles, these connectors ensure secure installations. Available in 9 shell sizes and 52 insert arrangements, they utilize M39029 rear release crimp contacts for reliable connections. Constructed with aluminum shells and offering multiple plating options including cadmium-free finishes, these connectors guarantee durability and performance. With a wide operating temperature range of -65°C to 200°C, they are suitable for diverse applications, meeting stringent military specification MIL-DTL-38999 II.