The THOMAS & BETTS NKIS-M406 is a robust female thread adapter ideal for applications demanding high technical requirements and resilience in challenging climatic conditions. Constructed with a polyamide 6 body and nickel-plated brass threads, this adapter provides exceptional impact resistance, even at low temperatures, and ensures high thread and system connection strengths. Its easy push-in assembly promotes reliable installation, while the screwdriver requirement for dismantling deters unauthorized access. The NKIS-M406 is compatible with PMAFLEX high-performance conduits and is rated IP69K, IP68, and IP66, making it suitable for environments requiring continuous motion exposure. It fits conduit sizes NW 36, 40, and 1 1/4 inches and operates within a temperature range of -50°C to +105°C.