A-B10011X3MA-AI RING,E .750D .050TOne New Aftermarket Replacement E Ring (Snap Ring) 0. 750" Diameter x 0. 050" Thickness This E ring, also known as an E clip or E type snap ring, is a stamped retaining ring used to secure components axially on shafts or rods with a matching groove. The three prong E shaped profile provides a wide bearing surface for reliable axial retention on 0. 750" (3 4") diameter shafts. Commonly used in agricultural equipment, lawn and garden machinery, and