The Anahuac Mayab University is a private institution of Catholic inspiration founded in 1984.
They are used in the same applications as fender washers. A spherical washer is part of a self-aligning nut; it is a washer with one radiused surface, which is designed to be used in conjunction with a mating nut in order to correct for up to several degrees of misalignment between parts.
USS pattern is the most common type of flat washer. 1  Zinc plated steel A low carbon steel for general use. Zinc plated for moderate corrosion resistance. 2  Zinc plated grade 5 steel A tempered medium carbon steel. Grade 5 falls between grade 2 and grade 8 in strength, and is commonly found in automotive applications.