SPRING (Mitsubishi MB1921-64347)

MB1921-64347: A worn retaining ring can allow assembled components to separate under load, leading to mechanical failure. This aftermarket replacement part references Mitsubishi as the OE maker and cross-references part number MB1921-64347. The retaining ring functions as a spring-like fastener that holds components in position within an assembly. Its plain mechanical role is to secure parts by fitting into a groove and exerting radial pressure. A generic failure consequence is that a broken or fatigued retaining ring may cause unintended disassembly during operation. Keeping this type of part in sound condition helps maintain the integrity of the joined assembly. Verify the serial number or application, then call (562) 693-7748.

Part number variants: MB1921-64347, mb1921-64347, MB192164347, mb192164347