sealing washer
Noun
Meaning
sealing washer (plural sealing washers)
A rubber or neoprene washer, sometimes metal-backed, typically placed on a fastener to prevent water from migrating into and through the fastener hole.
Noun
sealing washer (plural sealing washers)
A rubber or neoprene washer, sometimes metal-backed, typically placed on a fastener to prevent water from migrating into and through the fastener hole.