RING - BACK UP (Mitsubishi MB19370C35)

MB19370C35: A damaged retaining ring can allow assembled components to separate during operation. The RING - BACK UP is an aftermarket replacement part cross-referenced to Mitsubishi part number MB19370C35. This type of ring functions as a mechanical stop that holds parts in position on a shaft or in a bore. When a back-up ring fails, the primary seal may extrude under pressure, leading to leakage. Keeping a retaining ring in sound condition helps maintain the intended assembly clearance. The ring is a generic type-level component used in various mechanical assemblies. Verify the serial number or application, then call (562) 693-7748.

Part number variants: MB19370C35, mb19370c35