Retaining RingOffered as an aftermarket replacement retaining ring, contact us to verify fit before ordering. Retaining rings (snap rings) hold a shaft or bore assembly together axially without threads, used across forklift transmissions, drive axles, mast assemblies, and pulleys. A stretched or damaged ring will let parts walk out under load, which is bad in any of those locations. Forklift repair shops always replace retaining rings during teardowns rather than reinstalling the originals. Verify ring style (internal or external), shaft or bore diameter, thickness, and ear pattern against the ring being replaced before ordering.Aftermarket replacement part, cross-references original part number AC253190.Need help confirming fit? Call (562) 693-7748 with your serial number.Part number variants: AC253190, ac253190 ⚠ Warning: Some equipment has serial-number breaks that may not be reflected in the catalog. Contact us for clarification before ordering if uncertain.SCR Forklift Parts ships from Whittier, CA with next-day delivery available across the US when needed.