Thorlabs offers a wide selection of Retaining Rings for securing optical components into our threaded mounts, lens tubes, and unmounted optic adapters. Two retaining rings can be used to secure the optical component inside the center of a lens tube: one as a stopper and the other to lock in the comp
Rotor Clip - External Retaining Ring: 30 mm Shaft Dia, Spring
5/16 E-Clip Retaining Rings - Hi-Line Inc.
DHO-22ST PD Internal Black Phosphate Snap Rings
Rotor Clip - 2-1/2″ Bore Diam, Steel Internal Snap Retaining Ring
What are Retainer Rings, its types and applications
What are retaining rings?
Value Collection - External Snap Retaining Ring: 0.468″ Groove Dia
Retaining Rings - Internal, C-Type, MISUMI
Retainers Rings Where and What to Buy - Albany County Fasteners