Cliff CP299908 Rubber Gaskets with Brass Spacers for XLR Connector...

Cliff Rubber Gaskets & Brass Spacers for XLR & XLR Shell Feedthrough Connectors - Cliff CP299908, This blue rubber gasket can be used both as a dust seal and for colour-coding an XLR shaped connector. It can be used with or without the brass spacers supplied. Cliff CP299908 Rubber Gaskets with Brass Spacers for XLR Connectors Blue

Price: £1.30 from Rapid Online Rapid Electronics Ltd.