{"product_id":"value-collection-zmsch90131-o-ring-dash-131-nbr-50-pack","title":"Value Collection ZMSCH90131 O-ring Dash 131 Nbr 50 Pack","description":"\u003ch3\u003eProduct Description\u003c\/h3\u003e\u003cp\u003eThe VALUE COLLECTION ZMSCH90131 is a Dash 131 O-ring made from Nitrile Butadiene Rubber (Buna-N), one of the most widely used elastomers in sealing applications. It measures 1.688 inches inside diameter, 1.875 inches outside diameter, and 0.103 inches thick with a round cross section. Rated at 90 durometer (extra hard), this O-ring delivers strong compression set resistance along with excellent tear and abrasion resistance. The temperature range spans -40 degrees F to 250 degrees F. Licensed plumbers, HVAC technicians, hydraulic system mechanics, and industrial maintenance professionals commonly install this part wherever petroleum-based fluid sealing is required.\u003c\/p\u003e\u003cp\u003eThis O-ring is suited for residential and commercial applications involving petroleum-based hydraulic fluids, fuel systems, pneumatic fittings, pipe connections, and pump seals. The Buna-N compound resists degradation from petroleum products, making it a standard choice in HVAC refrigerant oil circuits, plumbing valve bodies, and general industrial fluid handling. Each order unit contains 50 O-rings, appropriate for shop stock or service van inventory restocking. This item does not carry FDA approval and is not intended for food-contact or medical-grade sealing applications.\u003c\/p\u003e\u003ch4\u003eKey Features\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003eBuna-N (Nitrile Butadiene Rubber) construction with excellent resistance to petroleum products\u003c\/li\u003e\n\u003cli\u003e90 durometer extra-hard rating for high-compression-set applications\u003c\/li\u003e\n\u003cli\u003eOperating temperature range of -40 degrees F to 250 degrees F\u003c\/li\u003e\n\u003cli\u003eRound cross-section, Dash 131 standard sizing for consistent fitment\u003c\/li\u003e\n\u003cli\u003eMeets SAE and MIL-Spec standards\u003c\/li\u003e\n\u003cli\u003ePackaged in quantities of 50 per order unit\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch4\u003eCompatibility\u003c\/h4\u003e\u003cp\u003eDesigned for use with petroleum-based fluids and compatible systems per SAE and MIL-Spec standards. Suitable as a Dash 131 replacement O-ring in any application specifying a 1.688-inch ID Buna-N seal. Not compatible with ozone-generating environments, direct UV exposure during storage, or systems requiring FDA-compliant elastomers.\u003c\/p\u003e\u003ch4\u003eInstallation Notes\u003c\/h4\u003e\u003cp\u003eInstallation should be performed by a licensed technician or qualified mechanic following applicable system service procedures. De-pressurize and isolate the fluid circuit or pneumatic line before removing the existing seal. Avoid stretching the O-ring over sharp edges; use an installation tool when the gland geometry requires it. Do not store unused O-rings near motors, electrical equipment, or in direct sunlight, as ozone and UV exposure degrade Buna-N compound over time.\u003c\/p\u003e\u003ch4\u003eTechnical Specifications\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eMaterial\u003c\/strong\u003e: Buna-N (Nitrile Butadiene Rubber)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDash Number\u003c\/strong\u003e: 131\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eInside Diameter\u003c\/strong\u003e: 1.688 inches (42.52 mm)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOutside Diameter\u003c\/strong\u003e: 1.875 inches (47.62 mm)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eThickness\u003c\/strong\u003e: 0.094 inches (2.62 mm)\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: 90 durometer (Extra 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 Material\u003c\/strong\u003e: Petroleum Products\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eColor\u003c\/strong\u003e: Black\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFDA Approved\u003c\/strong\u003e: No\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eStandards\u003c\/strong\u003e: SAE, MIL-Spec\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePackage Quantity\u003c\/strong\u003e: 50\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWeight\u003c\/strong\u003e: 0.97 pounds\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch4\u003eStandard Information\u003c\/h4\u003e\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: ZMSCH90131\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"VALUE COLLECTION","offers":[{"title":"Default Title","offer_id":51717117837618,"sku":"ZMSCH90131","price":14.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0270\/4519\/9983\/files\/e63e5be40384736fb1f090e4d0cdd585_b7fc7274-b43e-4a03-8a60-2d91a211c5f8.jpg?v=1788535958","url":"https:\/\/voomisupply.com\/products\/value-collection-zmsch90131-o-ring-dash-131-nbr-50-pack","provider":"Voomi Supply","version":"1.0","type":"link"}