{"product_id":"as568-338-v90-fkm-viton®-backup-rings-fluorocarbon-90-durometer","title":"AS568-338 V90 FKM\/Viton® Backup Rings Fluorocarbon 90 Durometer","description":"\u003cp\u003eAbout this item:\u003c\/p\u003e\n\u003cp\u003e• Anti-extrusion backup rings for static and dynamic sealing applications\u003cbr\u003e• Protects O-rings and extends seal life in high-pressure environments\u003cbr\u003e• Contoured design ensures uniform contact across entire O-ring diameter\u003cbr\u003e• Ideal when mating part clearances lack tight tolerances\u003cbr\u003e• AS568-338 size standard compatibility\u003cbr\u003e• FKM\/Viton® fluorocarbon material — 90 durometer hardness\u003cbr\u003e• Operating temperature range: -15°F to +400°F\u003cbr\u003e• Use two rings per application for optimal performance (even single-acting seals)\u003cbr\u003e• Size: 3.18\" (ID) 3.50\" (OD) 2mm (CS)\u003cbr\u003e\u003c\/p\u003e","brand":"TDR Shopper","offers":[{"title":"Default Title","offer_id":44155092566090,"sku":null,"price":134.8,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0619\/9217\/3642\/files\/T2-GEN-3.1-942_01.png?v=1788471846","url":"https:\/\/tdr-shopper.com\/products\/as568-338-v90-fkm-viton%c2%ae-backup-rings-fluorocarbon-90-durometer","provider":"TDR Shopper","version":"1.0","type":"link"}