MIL-DTL-38999 Series II connectors offer rugged, high-performance connectivity with up to 128 contacts in an insert. Designed for harsh environments, these circular connectors are environmentally sealed and operate reliably in temperatures ranging from -65 °C to 200 °C. Featuring various mounting options including front and rear wall mount, jam nut, and box mount receptacles, as well as straight, RFI grounding, and standard plugs with a 90-degree cable clamp, they provide versatile installation solutions. Compliant with military specification MIL-DTL-38999 II, these connectors ensure secure connections in demanding applications. With a range of shell sizes, insert arrangements, and contact options, including RoHS-compliant finishes, they meet diverse connectivity needs with quality and durability.