Amazon.com: The Hillman Group 2196 1-3/4-Inch External Large Retaining Ring, 5-Pack,Gray : Industrial & Scientific
Rotor Clip - External Snap Retaining Ring: 48.5 mm Groove Dia, 46 mm Shaft Dia, DIN I7221 _ I7223 Spring Steel, Phosphate Finish - 70964382 - MSC Industrial Supply
Hillman Black External Retaining Ring (2-Pack) in the Specialty Fasteners & Fastener Kits department at Lowes.com
Retaining Rings for Shaft - External Circlips / External Snap Rings | 40 Years Auto Hardware Stamping Parts (C type retaining ring, washer, lock nut, clip, snap ring, pin) Manufacturer From Taiwan | SHOU LONG