{"product_id":"m-166-p-or-bi-std-b90","title":"AS568-166 Buna-N Nitrile (90A) O-Ring, 90A Durometer, 6 3\/4\" ID x 3\/32\" CS (6.737\" x 0.103\" Actual, 6.943\" OD) - Precision-Molded Replacement Sealing Ring for Pumps, Valves, Filters, Gearboxes \u0026 Hydraulics","description":"\u003cp\u003eChasing a leak or a slow drip and need the exact 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 AS568-166 o-ring, a universal industry-standard size. Its nominal size is 6 3\/4\" inside diameter by 3\/32\" cross-section; the actual measured dimensions are 6.737\" ID by 0.103\" CS, held to a tolerance of ±0.040\" on the ID and ±0.003\" on the CS, for a 6.943\" outer diameter. It is molded in 90A Buna-N Nitrile rubber and is a drop-in replacement for any standard dash-166 o-ring.\u003c\/p\u003e\u003cbr\u003e\u003cb\u003eFull Compatibility:\u003c\/b\u003e AS568-166 is a standard o-ring dash size used across pumps, filters, valves, gearboxes, hydraulic fittings, plumbing and countless machines. If your application calls for a 6.737\" ID x 0.103\" CS 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. No special tools are required for most o-ring changes.\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 to the o-ring before installation to ease seating and extend seal life.\u003cbr\u003e\u003cp\u003eWe are an American family-owned and operated small business committed to providing high-quality replacement parts and straightforward, honest fitment information so you can fix it once and get back to work.\u003c\/p\u003e","brand":"Beaver Island Parts Company","offers":[{"title":"4-Pack","offer_id":48610150777037,"sku":"M.166.4.OR.BI.STD.B90","price":22.99,"currency_code":"USD","in_stock":true},{"title":"10-Pack","offer_id":48610150809805,"sku":"M.166.10.OR.BI.STD.B90","price":41.99,"currency_code":"USD","in_stock":true},{"title":"20-Pack","offer_id":48610150842573,"sku":"M.166.20.OR.BI.STD.B90","price":76.99,"currency_code":"USD","in_stock":true},{"title":"50-Pack","offer_id":48610150875341,"sku":"M.166.50.OR.BI.STD.B90","price":160.99,"currency_code":"USD","in_stock":true},{"title":"100-Pack","offer_id":48610150908109,"sku":"M.166.100.OR.BI.STD.B90","price":270.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0611\/8110\/0237\/files\/AS568-166_22874550-c807-45ae-8421-27ce359fb9d0.png?v=1785884853","url":"https:\/\/beaverislandparts.com\/products\/m-166-p-or-bi-std-b90","provider":"Beaver Island Parts Company","version":"1.0","type":"link"}