{"product_id":"danco-1-2-in-d-x-3-8-in-d-7-rubber-o-ring-20-pk","title":"Danco 1\/2 in. D X 3\/8 in. D #7 Rubber O-Ring 20 pk","description":"\u003cdiv\u003e\n\u003cp\u003e\u003cstrong\u003eDanco 1\/2 in. D X 3\/8 in. D #7 Rubber O-Ring 20 pk\u003c\/strong\u003e is a precise, reliable replacement seal designed for faucet repairs across a wide range of popular brands. With a 1\/2\" outer diameter, 3\/8\" inner diameter, and a 1\/16\" cross-section, this #7 O-ring fits compact spaces where a tight, durable seal matters most.\u003c\/p\u003e \u003cp\u003eMade from durable rubber, these O-rings restore water-tight seals in valve stems, cartridge assemblies, and other faucet junctions, helping prevent drips and leaks after replacement or disassembly.\u003c\/p\u003e \u003cul\u003e \u003cli\u003eCompatibility across brands: American Standard, Kohler, Mueller, Sayco, Universal Rundle, Waltec, and Michigan Brass faucets.\u003c\/li\u003e \u003cli\u003ePackaging in a polybag with 20 O-rings, providing convenient spares for future maintenance or multiple fixtures.\u003c\/li\u003e \u003cli\u003eSize specifics: 1\/2\" outer diameter, 3\/8\" inner diameter, and 1\/16\" wall thickness align with standard #7 O-ring specifications used in many faucet repair kits.\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003eWhy this size matters: the 1\/2\" OD and 3\/8\" ID correspond to common #7 O-ring dimensions, ensuring a predictable seal that seats reliably in tight channels and prevents leaks around valve seats and stems.\u003c\/p\u003e \u003cul\u003e \u003cli\u003eSpecific use cases: replace worn seals in faucet cartridges and stems, seal valve seats in bathroom and kitchen fixtures, or keep a ready supply for ongoing maintenance.\u003c\/li\u003e \u003cli\u003ePractical storage: the polybag packaging protects the O-rings from dust and deformation and makes them easy to organize in a repair kit.\u003c\/li\u003e \u003cli\u003eMaintenance efficiency: twenty pieces mean you can tackle multiple fixtures or rotate spares without reordering frequently.\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003eTips for best results: inspect the groove width and diameter before replacing; clean the seating area; lightly lubricate the O-ring with a compatible faucet lubricant before installation to reduce pinching and ensure a smooth, lasting seal during reassembly.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"Danco","offers":[{"title":"Default Title","offer_id":52190480007442,"sku":"4100053","price":5.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0928\/1024\/8466\/files\/4100053_A.eps_High.jpg?v=1775854700","url":"https:\/\/nationalhardwaregroup.com\/products\/danco-1-2-in-d-x-3-8-in-d-7-rubber-o-ring-20-pk","provider":"National Hardware Group","version":"1.0","type":"link"}