{"product_id":"m-a0049-p-or-bi-iso-b90","title":"ISO 3601 A0049 Buna-N Nitrile (90A) Metric O-Ring, 90A Durometer, 4.87mm ID x 1.8mm CS (0.192\" x 0.071\", 8.47mm OD) - Precision-Molded Replacement Sealing Ring for Pumps, Valves \u0026 Fittings","description":"\u003cp\u003eChasing a leak or a slow drip and need the exact metric o-ring size to seal it for good? A worn or wrong-size o-ring lets fluid weep past the joint, drops pressure, and can damage the equipment around it.\u003c\/p\u003e\u003cbr\u003e\u003cp\u003eThis Beaver Island Parts Company replacement o-ring is a single ISO 3601 A0049 o-ring, a standard metric sealing size measuring 4.87mm inside diameter by 1.8mm cross-section (0.192\" ID x 0.071\" CS, 8.47mm outer diameter), molded in 90A Buna-N Nitrile rubber.\u003c\/p\u003e\u003cbr\u003e\u003cb\u003eFull Compatibility:\u003c\/b\u003e ISO 3601 A0049 is an international-standard o-ring size used across pumps, valves, filters, fittings and machinery worldwide. If your application calls for a 4.87mm x 1.8mm o-ring, this is the size.\u003cbr\u003e\u003cb\u003eInstallation Note:\u003c\/b\u003e Clean the groove, inspect the sealing surface, seat the new o-ring without twisting it, and lubricate before assembly.\u003cbr\u003e\u003cb\u003ePro Tip:\u003c\/b\u003e Apply \u003ca href=\"https:\/\/beaverislandparts.com\/products\/aqua-flex-food-grade-silicone-lubricant-50g\" target=\"_blank\" rel=\"noopener\"\u003eAqua Flex\u003c\/a\u003e lubricant before installation to ease seating and extend seal life.\u003cbr\u003e\u003cp\u003eWe are an American family-owned and operated small business committed to high-quality replacement parts and honest fitment information.\u003c\/p\u003e","brand":"Beaver Island Parts Company","offers":[{"title":"25-Pack","offer_id":48609580056781,"sku":"M.A0049.25.OR.BI.ISO.B90","price":15.99,"currency_code":"USD","in_stock":true},{"title":"50-Pack","offer_id":48609580089549,"sku":"M.A0049.50.OR.BI.ISO.B90","price":21.99,"currency_code":"USD","in_stock":true},{"title":"100-Pack","offer_id":48609580122317,"sku":"M.A0049.100.OR.BI.ISO.B90","price":32.99,"currency_code":"USD","in_stock":true},{"title":"250-Pack","offer_id":48609580155085,"sku":"M.A0049.250.OR.BI.ISO.B90","price":72.99,"currency_code":"USD","in_stock":true},{"title":"500-Pack","offer_id":48609580187853,"sku":"M.A0049.500.OR.BI.ISO.B90","price":138.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0611\/8110\/0237\/files\/AS568-008_8ae0e675-71f7-4791-bd36-f4f225f8ccf2.png?v=1785878672","url":"https:\/\/beaverislandparts.com\/products\/m-a0049-p-or-bi-iso-b90","provider":"Beaver Island Parts Company","version":"1.0","type":"link"}