SPN push-on retaining nuts (self-locking retaining rings) are spring-steel fasteners pushed onto a shaft. Their teeth grip the shaft and resist axial movement and vibration. Select by shaft diameter.

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Also known as / standards: Clamping Nut · SPN nut · clamp nut · SPN · SPNS · CSTW · CSTWS · SELF LOCKING NUT · PUSH ON NUT