MIL-DTL-38999 Series II connectors feature up to 128 contacts in an insert, offering environmental sealing and a wide operating temperature range from -65 °C to 200 °C. These harsh environment connectors come in various configurations, including front and rear wall mount, jam nut, and 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 and offering multiple plating options, such as cadmium and electroless nickel, these connectors provide reliable connectivity in demanding applications. Whether straight, RFI grounding, or standard plugs with a 90-degree cable clamp, they meet stringent military specifications for performance and durability.
