An External Retaining Ring, also known as an external snap ring, is used to secure a part onto a shaft or in a bore. The ring is circular with a gap that allows it to be placed onto a shaft or into a bore without having to slide it over the end of the shaft or bore. It is typically made of durable material that can withstand demanding conditions encountered during operation.Attributes:• Hardened to show its durability and strength• Provides good wear resistanceApplications:An External Retaining Ring is used to prevent the movement between the connected parts.