Backup Ring Kit Nitrile Buna 90 Durometer Black 36 Sizes 293 Pieces For AS568 Standard Sizes Heavy Duty Sealing Gasket Set Ideal For Hydraulic Pneumatic Industrial Automotive Service

High-performance nitrile backup ring kit for industrial sealing
✔️ 293 pieces in 36 AS568 sizes, 90 durometer nitrile buna for robust hydraulic sealing

This backup ring kit features nitrile buna rings that act as essential seals to prevent leaks in high-pressure setups, commonly found in hydraulic, pneumatic, industrial machinery, and automotive repair jobs.

✅ Made from 90 durometer nitrile buna for long-lasting toughness
✅ Comes with 293 pieces across 36 standard AS568 sizes for wide compatibility
✅ Suited for heavy-duty applications in industrial and automotive environments

💡 Why do backup rings matter in sealing systems? Backup rings play a key role in keeping seals intact during tough conditions. - They stop seal damage from high pressure in fluid systems - They fit into hydraulic and pneumatic setups to boost reliability - They handle extreme wear without failing quickly - They make maintenance easier for everyday industrial tasks

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