![ST346 Single Turn Split PTFE Back-Up Ring [ST346] : The O-Ring Store LLC, We make getting O-Rings easy! ST346 Single Turn Split PTFE Back-Up Ring [ST346] : The O-Ring Store LLC, We make getting O-Rings easy!](https://www.theoringstore.com/store/images/teflon-backup-ring-split.jpg)
ST346 Single Turn Split PTFE Back-Up Ring [ST346] : The O-Ring Store LLC, We make getting O-Rings easy!
![O-Ring BR Backup Ring (Polytetrafluoroethylene Resin) JIS-B-2407 | MUSASHI OILSEAL | MISUMI South East Asia O-Ring BR Backup Ring (Polytetrafluoroethylene Resin) JIS-B-2407 | MUSASHI OILSEAL | MISUMI South East Asia](https://content.misumi-ec.com/image/upload/t_product_main/v1/p/jp/product/series/221000616862/221000616862_001.jpg?$product_main$)
O-Ring BR Backup Ring (Polytetrafluoroethylene Resin) JIS-B-2407 | MUSASHI OILSEAL | MISUMI South East Asia
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
![004 Viton (FKM) Backup Ring, 90A Durometer, 0.096" ID, 0.053" Thick, Black (Pack of 50): Amazon.com: Industrial & Scientific 004 Viton (FKM) Backup Ring, 90A Durometer, 0.096" ID, 0.053" Thick, Black (Pack of 50): Amazon.com: Industrial & Scientific](https://m.media-amazon.com/images/I/511RA7jyRqL._AC_UF1000,1000_QL80_.jpg)