MIL-DTL-38999 Series II connectors offer robust performance with up to 128 contacts in an insert, designed for harsh environments. Featuring a wide operating temperature range of -65 °C to 200 °C, these connectors are ideal for demanding applications. Available in various mounting styles, including front and rear wall mount, jam nut, and box mount receptacles, they provide flexibility in installation. The plugs come in straight, RFI grounding, and standard options with a 90-degree cable clamp, ensuring secure connections. With 52 insert arrangements and M39029 rear release crimp contacts in different sizes, these connectors offer versatility in design. Constructed with aluminum shells and various plating options, including cadmium-free finishes, they meet RoHS standards for environmental compliance. Suitable for military and industrial use, the MIL-DTL-38999 Series II connectors are reliable, durable, and efficient for critical operations.