O-rings and back-up rings

Plastic Backup Ring Sizes - Kalsi Engineering, Inc.

Backup Rings - Sigma Seals & Gaskets

Back-up ring - Anti-extrusion ring - FRANCE JOINT

Backup Rings

Improve Performance of Hydraulic or Pneumatic Systems with Back-Up Rings

576-427 - Hercules for o-rings, hydraulic seals, cylinders

Back Up Rings for O Rings Specialist Sealing Products

ST276S Global O-Ring and Seal

Backup Rings (BUR) – CTG, Inc.