SPRING (Mitsubishi MB1921-64159)

MB1921-64159: A worn retaining ring can allow assembled components to separate under load, leading to mechanical failure. This aftermarket replacement part references Mitsubishi catalog number MB1921-64159. The retaining ring functions as a spring-loaded fastener that holds parts in position on a shaft or in a bore. When the ring loses tension, it may no longer secure the assembly, risking disengagement during operation. In a typical usage context, a failed retaining ring can cause sudden loss of component alignment. Verify the serial number or application, then call (562) 693-7748.

Part number variants: MB1921-64159, mb1921-64159, MB192164159, mb192164159