Wave Spring 16mm, Series Not Applicable, Compatible with Grainger Part Number 13F657, 13F658, 13F659, 13F688, 13F689, 25H922, 25H923, 25H936, 25H951, Product Type Wave Spring, Compatible with Manufacturer Part Number 52630, 52632, 52633, Compatible with Series Not Applicable, Compatible with Brand Dynabrade.