1213904 snap ring for various Jenbacher gas engines

The 1213904 snap ring is a fastener that sits in a groove on a shaft or in a housing/bore to prevent lateral movement of a component. Think of it like a small, strong clip. In a gas engine, snap rings are vital for securing various parts, such as pistons, bearings, and gears, ensuring they stay in the correct position despite the intense forces and vibrations during operation. Without a properly functioning snap ring, these components could shift, leading to damage, reduced performance, or even catastrophic engine failure.