{"product_id":"fs4000-04-buna-n-nbr-face-seal-o-ring","title":"FS4000-04 | Buna-N NBR Face Seal O-Ring | 90 Durometer Hydraulic Seal","description":"\u003ch2\u003e\u003cstrong\u003eProduct Description\u003c\/strong\u003e\u003c\/h2\u003e\n\u003cp\u003e\u003cspan\u003eThe \u003c\/span\u003e\u003cstrong\u003eFS4000-04 Buna-N NBR Face Seal O-Ring\u003c\/strong\u003e\u003cspan\u003e is engineered as a \u003cstrong\u003ehigh-performance sealing component for \u003c\/strong\u003e\u003c\/span\u003e\u003cstrong\u003eSAE ORFS (O-Ring Face Seal)\u003c\/strong\u003e\u003cspan\u003e hydraulic fittings. Constructed from \u003c\/span\u003e\u003cstrong\u003e90-durometer Buna-N (nitrile rubber)\u003c\/strong\u003e\u003cspan\u003e, this O-ring provides \u003cstrong\u003eexcellent resistance to petroleum\u003c\/strong\u003e-\u003cstrong\u003ebased hydraulic fluids, mineral oils, and moderate temperatures\u003c\/strong\u003e while delivering consistent\u003cstrong\u003e sealing performance\u003c\/strong\u003e under pressure.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cstrong\u003eSpecifications\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eMaterial:\u003c\/strong\u003e\u003cspan\u003e\u003cstrong\u003e \u003c\/strong\u003eBuna-Nitrile (90 Durometer)\u003c\/span\u003e\u003cspan\u003e\u003cbr\u003e\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eShape:\u003c\/strong\u003e\u003cspan\u003e\u003cstrong\u003e \u003c\/strong\u003eO-Ring\u003c\/span\u003e\u003cspan\u003e\u003cbr\u003e\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eNominal Size:\u003c\/strong\u003e\u003cspan\u003e\u003cstrong\u003e \u003c\/strong\u003e04\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cspan\u003e\u003c\/span\u003e\u003cstrong\u003eCompatible with \u003c\/strong\u003e\u003cspan\u003e\u003cstrong\u003eSAE\u003c\/strong\u003e ORFS hydraulic fittings\u003c\/span\u003e\u003cspan\u003e\u003cbr\u003e\u003c\/span\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003e\u003cstrong\u003eFeatures\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cspan\u003e\u003cstrong\u003eDurable Buna-N\u003c\/strong\u003e oil-resistant compound\u003c\/span\u003e\u003cspan\u003e\u003cbr\u003e\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cspan\u003e\u003cstrong\u003e90-durometer hardness\u003c\/strong\u003e for extrusion control\u003c\/span\u003e\u003cspan\u003e\u003cbr\u003e\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cspan\u003e\u003cstrong\u003eDesigned for ORFS \u003c\/strong\u003eface seal applications\u003c\/span\u003e\u003cspan\u003e\u003cbr\u003e\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cspan\u003e\u003cstrong\u003eProvides leak-resistant\u003c\/strong\u003e hydraulic performance\u003c\/span\u003e\u003cspan\u003e\u003cbr\u003e\u003c\/span\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003e\u003cstrong\u003eApplications\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cspan\u003e\u003cstrong\u003eORFS adapter \u003c\/strong\u003eand fitting sealing\u003c\/span\u003e\u003cspan\u003e\u003cbr\u003e\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cspan\u003e\u003cstrong\u003eHydraulic manifolds\u003c\/strong\u003e and hose assemblies\u003c\/span\u003e\u003cspan\u003e\u003cbr\u003e\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cspan\u003e\u003cstrong\u003eIndustrial and mobile fluid \u003c\/strong\u003epower systems\u003c\/span\u003e\u003cspan\u003e\u003cbr\u003e\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003e\u003cstrong\u003eOEM hydraulic c\u003c\/strong\u003eircuits\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cspan\u003e\u003cstrong\u003eThese \u003cmeta charset=\"utf-8\"\u003e\n\u003cb id=\"docs-internal-guid-dda7b17e-7fff-9816-eec9-a7490bb16bc0\"\u003eFS4000-04 O-ring \u003c\/b\u003eORFS face seals \u003c\/strong\u003eare designed to \u003cstrong\u003eeliminate leaks at high pressure \u003c\/strong\u003eby compressing the O-ring against flat sealing surfaces on adapters and connectors. The \u003cstrong\u003eFS4000-04 \u003c\/strong\u003eis suitable for \u003cstrong\u003esmaller hydraulic circuits\u003c\/strong\u003e where compact fittings and efficient face sealing are required. Its \u003cstrong\u003eoptimized hardness\u003c\/strong\u003e balances \u003cstrong\u003edurability\u003c\/strong\u003e with \u003cstrong\u003eflexibility\u003c\/strong\u003e, maintaining \u003cstrong\u003eseal integrity\u003c\/strong\u003e through repeated \u003cstrong\u003epressure cycles \u003c\/strong\u003eand \u003cstrong\u003evibration exposure\u003c\/strong\u003e.\u003c\/span\u003e\u003c\/p\u003e","brand":"Gear House Hydraulics Shop","offers":[{"title":"Default Title","offer_id":51603163513016,"sku":null,"price":0.17,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0866\/9134\/8664\/files\/o-ring_face_seal.jpg?v=1745870363","url":"https:\/\/gearhousehydraulics.com\/products\/fs4000-04-buna-n-nbr-face-seal-o-ring","provider":"Gear House Hydraulics Shop","version":"1.0","type":"link"}