{"product_id":"value-collection-zmsch3x38-buna-n-o-ring-38mm-id-44mm-od","title":"Value Collection ZMSCH3X38 Buna-n O-ring 38mm Id 44mm Od","description":"\u003ch3\u003eProduct Description\u003c\/h3\u003e\n\u003cp\u003eThe VALUE COLLECTION ZMSCH3X38 is a round cross-section O-ring made from Buna-N (Nitrile Butadiene Rubber), one of the most widely used elastomers in fluid sealing applications. It measures 38mm inside diameter by 44mm outside diameter with a 3mm cross-section thickness. Rated at 70 Shore hardness, this O-ring delivers reliable compression set resistance, along with strong tear and abrasion resistance. Its black Buna-N construction makes it especially suited for environments involving petroleum-based fluids. Licensed tradespeople in HVAC, plumbing, and industrial service rely on this type of O-ring for sealing hydraulic, pneumatic, and refrigerant-adjacent fluid connections.\u003c\/p\u003e\n\u003cp\u003eThis O-ring is intended for use in residential and commercial applications where petroleum-based fluid compatibility is required. Typical install scenarios include pump seals, valve bodies, fittings, hydraulic cylinders, and fluid line connections. It performs across a working temperature range of -40 degrees F to 250 degrees F, making it viable in both cold-climate and moderate-heat service environments. It meets SAE and MIL-Spec standards. Package quantity is 25 units per order with a minimum order quantity of 1.\u003c\/p\u003e\n\u003ch4\u003eKey Features\u003c\/h4\u003e\n\u003cul\u003e\n  \u003cli\u003eBuna-N (Nitrile Butadiene Rubber) construction offers excellent resistance to petroleum products\u003c\/li\u003e\n  \u003cli\u003e70 Shore hardness rating provides firm sealing under compression\u003c\/li\u003e\n  \u003cli\u003eRound cross-section geometry for standard O-ring groove fitment\u003c\/li\u003e\n  \u003cli\u003eOperating temperature range: -40 degrees F to 250 degrees F\u003c\/li\u003e\n  \u003cli\u003eMeets SAE and MIL-Spec standards\u003c\/li\u003e\n  \u003cli\u003eStrong tear and abrasion resistance for demanding service conditions\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch4\u003eCompatibility\u003c\/h4\u003e\n\u003cp\u003eCompatible with petroleum-based products and fluids. Designed for use in standard O-ring grooves sized for 38mm ID by 44mm OD by 3mm cross-section round-profile seals. Not FDA approved. Store away from direct sunlight, motors, and other ozone-generating electrical equipment.\u003c\/p\u003e\n\u003ch4\u003eInstallation Notes\u003c\/h4\u003e\n\u003cp\u003eO-ring installation should be performed by a qualified plumber, HVAC technician, or industrial mechanic depending on the application. Always depressurize and de-energize the system before replacing any sealing component. Inspect the seating groove for nicks, corrosion, or contamination before installing the new O-ring. Avoid twisting or over-stretching the O-ring during installation, as deformation will compromise the seal.\u003c\/p\u003e\n\u003ch4\u003eTechnical Specifications\u003c\/h4\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eInside Diameter\u003c\/strong\u003e: 38mm\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eOutside Diameter\u003c\/strong\u003e: 44mm\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eThickness (Cross Section)\u003c\/strong\u003e: 3mm\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eMaterial\u003c\/strong\u003e: Buna-N (Nitrile Butadiene Rubber)\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eColor\u003c\/strong\u003e: Black\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eCross Section Shape\u003c\/strong\u003e: Round\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eHardness\u003c\/strong\u003e: 70 Shore\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eHardness Rating\u003c\/strong\u003e: Hard\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eMinimum Working Temperature\u003c\/strong\u003e: -40 degrees F\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eMaximum Working Temperature\u003c\/strong\u003e: 250 degrees F\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eCompatible Media\u003c\/strong\u003e: Petroleum Products\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eStandards\u003c\/strong\u003e: SAE, MIL-Spec\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eFDA Approved\u003c\/strong\u003e: No\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003ePackage Quantity\u003c\/strong\u003e: 25\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eUNSPSC Code\u003c\/strong\u003e: 31401503\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch4\u003eStandard Information\u003c\/h4\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eBrand\u003c\/strong\u003e: VALUE COLLECTION\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eManufacturer Part Number\u003c\/strong\u003e: ZMSCH3X38\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"VALUE COLLECTION","offers":[{"title":"Default Title","offer_id":51700437385522,"sku":"ZMSCH3X38","price":17.37,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0270\/4519\/9983\/files\/ab9630ebd62aebef94b157df5d839f09.jpg?v=1788390325","url":"https:\/\/voomisupply.com\/products\/value-collection-zmsch3x38-buna-n-o-ring-38mm-id-44mm-od","provider":"Voomi Supply","version":"1.0","type":"link"}