200pcs) DIN 471 M20X1.2 Retaining Rings for Shafts Stainless Steel, Ships Free in USA by Aspen Fasteners, ASSP0471220: Amazon.com: Industrial & Scientific
DIN 471 AS Circlips for shafts - heavy duty
Amazon.com: Retaining Ring DIN 471 12mm : Clothing, Shoes & Jewelry