MIL-DTL-38999 Series II connectors offer robust connectivity with up to 128 contacts in an insert, ensuring reliable performance in harsh environments. Featuring a wide operating temperature range of -65 °C to 200 °C, these connectors are environmentally sealed for added durability. Available in various mounting options such as front and rear wall mount, jam nut, and box mount receptacles, they suit diverse installation needs. With options for straight, RFI grounding, and standard plugs with a 90-degree cable clamp, these connectors provide flexibility in design. Utilizing M39029 rear release crimp contacts, they offer secure connections in sizes 22D, 22M, 22, 20, 16, and 12. Constructed with aluminum shells and offering multiple plating choices, including cadmium-free finishes, these connectors meet stringent quality standards. Ideal for military and industrial applications, they ensure high conductivity and longevity, with a contact mating life of 500 cycles. RoHS compliance options are also available, making them a reliable choice for various projects.