DTX-6SS, 6 mm External Push-On Ring in Stainless Steel: PH15-7Mo (AMS5520), Passivated

Metric self-locking external retaining ring in carbon steel, phosphate. Self-locking retaining rings can be installed in a housing/bore or on a shaft that has not had a groove machined into it. Self-locking rings with no lug holes are impossible to remove without either destroying the ring or warping it out of specified tolerances.