Sicherungsring A, DIN 471, 5mm, Federstahl rostfrei Werkstoff:Federstahl rostfrei* Wellen Ø d1:5mm : Amazon.de: Baumarkt
5 pcs) M47, DIN 471, Metric, External Retaining Rings, Stainless Spring Steel: Amazon.com: Industrial & Scientific
600pcs) DIN 471 M10X1.0 Retaining Rings for Shafts Stainless Steel, Ships Free in USA by Aspen Fasteners, ASSP0471210: Amazon.com: Industrial & Scientific
Spring Steel Lock Ring DIN 471 For Shafts Stainless Steel A2 V2 A 1.4122 Circlip Snap Ring of 3 – 60 : Amazon.de: DIY & Tools