DIN 6799 Washer: retaining for shafts · Products: 18 DIN 6799 - Retaining washers for shafts E-clips for axial retention on shafts, pushed radially into a groove, unlike the axially fitted DIN 471 retaining ring, and sized by the groove diameter, not by the shaft. DIN 6799:2026-05. The shaft diameter is specified as a range.