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Definition of Sealing washer
1. Noun. A rubber or neoprene washer, sometimes metal-backed, typically placed on a fastener to prevent water from migrating into and through the fastener hole. ¹
¹ Source: wiktionary.com
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1. Noun. A rubber or neoprene washer, sometimes metal-backed, typically placed on a fastener to prevent water from migrating into and through the fastener hole. ¹
¹ Source: wiktionary.com