{"product_id":"as568-168-o-ring-sealing-ring","title":"AS568-168 O-Ring – 7.237 in ID × 0.103 in CS | NBR, HNBR \u0026 FKM","description":"\u003cp\u003e\u003cstrong\u003eAS568-168 O-Ring – 7.237 in ID × 0.103 in CS | NBR, HNBR \u0026amp; FKM\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eRoyal Way supplies this standard AS568 size in NBR (Buna-N), HNBR (HSN) and FKM (Viton-type), with 70 and 90 Shore A options for maintenance, repair and production requirements.\u003c\/p\u003e\u003ch3\u003eSize Specifications\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eAS568 size: AS568-168\u003c\/li\u003e\n\u003cli\u003eInside diameter (ID): 7.237 in \/ 183.82 mm\u003c\/li\u003e\n\u003cli\u003eCross section (CS): 0.103 in \/ 2.62 mm\u003c\/li\u003e\n\u003cli\u003eOutside diameter (OD): 7.443 in \/ 189.05 mm\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eMaterial and Hardness Options\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eNBR \/ Buna-N: commonly selected for petroleum oils and compatible hydraulic fluids\u003c\/li\u003e\n\u003cli\u003eHNBR \/ HSN: improved heat, ozone, aging and mechanical resistance compared with standard NBR\u003c\/li\u003e\n\u003cli\u003eFKM \/ Viton-type: selected for higher-temperature service and broader fluid compatibility\u003c\/li\u003e\n\u003cli\u003e70 Shore A: general sealing flexibility and conformity\u003c\/li\u003e\n\u003cli\u003e90 Shore A: greater extrusion resistance for suitable higher-pressure clearances\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eTypical Use\u003c\/h3\u003e\u003cp\u003eDesigned for equipment whose gland or groove is specified for AS568-168. Depending on the equipment design, this series is commonly encountered in compatible pumps, valves, hydraulic controls and oilfield service-tool glands.\u003c\/p\u003e\u003ch3\u003eOrdering and Fit Verification\u003c\/h3\u003e\u003cp\u003eAn AS568 dash number defines size, not universal equipment compatibility. Confirm groove dimensions, squeeze, stretch, clearance, pressure, temperature, fluid compatibility and backup-ring requirements before ordering or installation.\u003c\/p\u003e","brand":"Royal Way","offers":[{"title":"NBR (Buna-N) - 70 Shore A","offer_id":48793067061348,"sku":"OR168-B70","price":0.44,"currency_code":"USD","in_stock":true},{"title":"NBR (Buna-N) - 90 Shore A","offer_id":48793067094116,"sku":"OR168-B90","price":0.44,"currency_code":"USD","in_stock":true},{"title":"HNBR (HSN) - 70 Shore A","offer_id":48793067126884,"sku":"OR168-H70","price":3.42,"currency_code":"USD","in_stock":true},{"title":"HNBR (HSN) - 90 Shore A","offer_id":48793067159652,"sku":"OR168-H90","price":3.42,"currency_code":"USD","in_stock":true},{"title":"FKM (Viton-type) - 70 Shore A","offer_id":48793067192420,"sku":"OR168-F70","price":2.83,"currency_code":"USD","in_stock":true},{"title":"FKM (Viton-type) - 90 Shore A","offer_id":48793067225188,"sku":"OR168-F90","price":2.83,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0786\/0243\/6708\/files\/as568-168-o-ring-sealing-ring.jpg?v=1784889267","url":"https:\/\/rwoiltool.com\/products\/as568-168-o-ring-sealing-ring","provider":"Royal Way Oil Tool","version":"1.0","type":"link"}