These reusable self-sealing washers are designed for use with popular sealed switches and circuit breakers to help seal the panel cutout in which they are mounted. Fabricated from a stainless steel washer with a bonded high-tear strength silicone rubber, the soft resilient ring conforms to the panel surface to seal out leakage of salt spray, wash-downs, lubricating fluids, weather, dust and other contaminants.
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