MC 901 (Nylatron MC901) Heat stabilized nylon offering long-term thermal stability to 260oF. It is blue in color and used in a variety of bearing and structural applications such as wheels, gears, and custom parts. MC 901 has a better impact strength and fatigue resistance compared with other cast nylons in the range. It has proved an outstanding material for large gears, racks & pinions, successfully replacing phosphororous bronze and cast iron in many applications. Proven Applications: Port Cap – MC® 901 is custom cast to size saving fabrication time and money in a port cap and diffuser nozzle application. It also weighs only 1/7 the former parts making parts easier to handle and install. (Prior material: Stainless Steel)