Back Up Rings for O Rings | Specialist Sealing Products
Piston Seal Installation - Endless Back-up Rings - YouTube
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Backup Rings - Backup Seals | Rocket Seals, Inc.
PTFE Backup Rings
Size 024 Virgin PTFE Industrial Back-Up Ring Solid
575-115T Teflon Backup Ring
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