Backup rings • Seal & Design, Inc • Manufacturer and Distributor
Global O-Ring and Seal, LLC - Requesting for backup? We have backup rings readily available in NBR, Viton, and Teflon (Solid, Split, and Spiral versions). Use our Backup Ring Size Chart here
ST-P4-BU Metric Teflon Back-Up Ring [ST-P4-BU] : The O-Ring Store LLC, We make getting O-Rings easy!