MIL-DTL-38999 Series II connectors are designed for rugged environments, featuring up to 128 contacts in an insert that is environmentally sealed. With an operating temperature range of -65 °C to 200 °C, these connectors offer reliable performance in harsh conditions. Available in various mounting options such as front wall, rear wall, jam nut, and box mount receptacles, they cater to diverse installation needs. The connectors come in aluminum shells with plating options including cadmium-free finishes, ensuring compatibility with RoHS regulations. Utilizing M39029 rear release crimp contacts, they provide secure connections, while the straight, RFI grounding, and standard plug options offer versatility in cable management. Meeting MIL-DTL-38999 II specifications, these connectors guarantee high-quality, durable connectivity for military and industrial applications.