{"product_id":"larsen-supply-co-02-1521-no-16-o-ring-2-pack-r-50","title":"Larsen Supply Co. 02-1521 No. 16 O-ring 2 Pack R-50","description":"\u003ch3\u003eProduct Description\u003c\/h3\u003e\u003cp\u003eThe LARSEN SUPPLY CO., INC. 02-1521 is a Number 16 O-ring sold in a convenient 2-pack, carded for easy point-of-use storage. This standard elastomeric seal measures 3\/8 inches outer diameter, 9\/32 inches inner diameter, and 3\/32 inches cross-section width, conforming to the R-50 sizing standard. O-rings in this class form a reliable static or dynamic fluid seal in plumbing valves, faucet cartridges, and general-purpose pipe fittings. Plumbers, pipefitters, and maintenance technicians use these seals during routine valve rebuilds, faucet repairs, and fixture replacements where a positive leak-free seat is required.\u003c\/p\u003e\u003cp\u003eThis O-ring is suited for residential and light commercial plumbing service applications. Typical install scenarios include faucet cartridge replacements, ball valve rebuilds, and supply stop repairs where the Number 16 cross-section is specified. The 2-pack carded format is practical for service trucks and counter stock, providing an immediate spare on every call without requiring bulk inventory.\u003c\/p\u003e\u003ch4\u003eKey Features\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003eNumber 16 O-ring profile conforming to R-50 sizing standard\u003c\/li\u003e\n\u003cli\u003eOuter diameter: 3\/8 inches; inner diameter: 9\/32 inches; cross-section: 3\/32 inches\u003c\/li\u003e\n\u003cli\u003e2-pack carded format for easy retail display and service truck storage\u003c\/li\u003e\n\u003cli\u003ePackage quantity of 6 cards per case supports counter and van stock\u003c\/li\u003e\n\u003cli\u003eDesigned for static and dynamic sealing in plumbing valve and faucet applications\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch4\u003eCompatibility\u003c\/h4\u003e\u003cp\u003eDesigned as an OEM-style replacement seal for plumbing valves, faucet cartridges, and fittings requiring a Number 16 cross-section O-ring per R-50 sizing.\u003c\/p\u003e\u003ch4\u003eInstallation Notes\u003c\/h4\u003e\u003cp\u003eInstallation is typically performed by a licensed plumber or experienced maintenance technician. Shut off the water supply and relieve line pressure before disassembling any valve or faucet. Lubricate the O-ring with a water-compatible grease prior to seating to prevent tearing during assembly. Do not over-stretch the ring onto the seat, as deformation will compromise the seal.\u003c\/p\u003e\u003ch4\u003eTechnical Specifications\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eO-Ring Number\u003c\/strong\u003e: 16\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOuter Diameter\u003c\/strong\u003e: 3\/8 inches\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eInner Diameter\u003c\/strong\u003e: 9\/32 inches\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCross-Section Width\u003c\/strong\u003e: 3\/32 inches\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSize Standard\u003c\/strong\u003e: R-50\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePack Quantity\u003c\/strong\u003e: 2 per card\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePackage Quantity\u003c\/strong\u003e: 6 cards per case\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWeight\u003c\/strong\u003e: 0.1 pounds\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFormat\u003c\/strong\u003e: Carded\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch4\u003eStandard Information\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eBrand\u003c\/strong\u003e: LARSEN SUPPLY CO., INC.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eManufacturer Part Number\u003c\/strong\u003e: 02-1521\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"LASCO","offers":[{"title":"Default Title","offer_id":51557434425650,"sku":"02-1521","price":14.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0270\/4519\/9983\/files\/3b2ff137bfcc32f02b9832139bac18b2.jpg?v=1786388011","url":"https:\/\/voomisupply.com\/products\/larsen-supply-co-02-1521-no-16-o-ring-2-pack-r-50","provider":"Voomi Supply","version":"1.0","type":"link"}