AS568-338 V90 FKM/Viton® Backup Rings Fluorocarbon 90 Durometer

About this item:

• Anti-extrusion backup rings for static and dynamic sealing applications
• Protects O-rings and extends seal life in high-pressure environments
• Contoured design ensures uniform contact across entire O-ring diameter
• Ideal when mating part clearances lack tight tolerances
• AS568-338 size standard compatibility
• FKM/Viton® fluorocarbon material — 90 durometer hardness
• Operating temperature range: -15°F to +400°F
• Use two rings per application for optimal performance (even single-acting seals)
• Size: 3.18" (ID) 3.50" (OD) 2mm (CS)