MIL-DTL-38999 Series II connectors offer robust solutions for demanding environments, featuring up to 128 contacts in a secure insert. With environmental sealing and a wide operating temperature range from -65 °C to 200 °C, these connectors ensure reliable performance. Available in various mounting options including front and rear wall mount, jam nut, and box mount receptacles, they cater to diverse installation needs. The connectors come in aluminum shells with plating options like electroless nickel and cadmium finishes, meeting stringent military specifications. Using M39029 rear release crimp contacts, they guarantee secure connections in sizes 22D, 22M, 22, 20, 16, and 12. Designed for durability, these connectors are ideal for applications requiring high performance in harsh conditions.