{"product_id":"danco-1-in-d-x-7-8-in-d-66-rubber-o-ring-20-pk","title":"Danco 1 in. D X 7\/8 in. D #66 Rubber O-Ring 20 pk","description":"\u003cdiv\u003e\n\u003cp\u003eMeet a dependable sealing solution built for home repairs, maintenance tasks, and everyday fittings: the Danco #66 Rubber O-Ring set. With a precise 1 inch exterior diameter, a 7\/8 inch interior diameter, and a slim 1\/16 inch wall, these round gaskets compress cleanly to create reliable, leak-free seals in a variety of applications.\u003c\/p\u003e \u003cul\u003e \u003cli\u003e\n\u003cstrong\u003eSize\u003c\/strong\u003e: Exterior diameter 1\" • Interior diameter 7\/8\" • Wall thickness 1\/16\"\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eMaterial\u003c\/strong\u003e: Rubber for flexible, resilient sealing across standard household tasks\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eQuantity\u003c\/strong\u003e: 20 O-rings per polybag—readily stocked for multiple repairs\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eBrand compatibility\u003c\/strong\u003e: Fits Harcraft fittings, making it a practical choice for compatible setups\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eProduct type\u003c\/strong\u003e: O-Ring, round shape designed for uniform compression\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eID\/Code\u003c\/strong\u003e: #66 for easy cross-reference with replacements and service manuals\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003eThese O-rings shine in a range of scenarios—from plumbing connections and appliance hoses to irrigation lines and hardware repairs. If a seal is leaking around a connector, valve, or small pump, this 20-pack gives you the right size on hand to restore integrity quickly without hunting for a single ring.\u003c\/p\u003e \u003cp\u003e\u003cstrong\u003eWhat makes this set stand out\u003c\/strong\u003e\u003c\/p\u003e \u003cul\u003e \u003cli\u003ePrecise sizing that matches common #66 O-ring specifications, reducing guessing during repairs\u003c\/li\u003e \u003cli\u003eBudget-friendly, ready-to-use quantity that minimizes interruptions on DIY projects\u003c\/li\u003e \u003cli\u003eDurable rubber formulation designed for everyday household tasks and moderate-pressure seals\u003c\/li\u003e \u003cli\u003eCompact packaging keeps your toolbox organized and keeps rings separated from other parts\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003e\u003cstrong\u003eInstallation tips for best results\u003c\/strong\u003e\u003c\/p\u003e \u003cul\u003e \u003cli\u003eInspect the groove or groove seat for nicks or damage before installation. Replace if rough edges could cut the ring.\u003c\/li\u003e \u003cli\u003eClean both mating surfaces to ensure a smooth, even seal. Lightly lubricate the O-ring with a silicone-based lubricant to ease installation and prolong life.\u003c\/li\u003e \u003cli\u003ePlace the ring without twisting, align it evenly in the groove, and tighten fittings to the recommended spec—avoid over-tightening, which can deform the ring.\u003c\/li\u003e \u003cli\u003eWhen in doubt, replace worn rings as a set to maintain consistent sealing performance across all connection points.\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003eStorage tip: keep the 20-pack in its original polybag in a cool, dry place away from direct sunlight to preserve elasticity and extend usability. Whether you’re updating a farmhouse sink connection, servicing a garden irrigation valve, or refreshing small appliance seals, these O-rings deliver dependable performance when you need it most.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"Danco","offers":[{"title":"Default Title","offer_id":52190482923794,"sku":"4100129","price":5.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0928\/1024\/8466\/files\/4100129_A.eps_High.jpg?v=1775854717","url":"https:\/\/nationalhardwaregroup.com\/products\/danco-1-in-d-x-7-8-in-d-66-rubber-o-ring-20-pk","provider":"National Hardware Group","version":"1.0","type":"link"}