An aircraft fastener is an important part type which is used to secure two or more components together. Fasteners are what allow for the assembly of the aircraft, ranging from structural components to the installation of flight instruments. Fasteners are so critical to the construction of an aircraft that a single Boeing 747-800 is composed of around 3,000,000 fasteners, accounting for half of the total number of parts. Due to their importance, it can be very beneficial to understand the various fasteners that make up assemblies, as well as their differences. In this blog, we will discuss a few of the common fastener types such as nuts, bolts, and washers.