{"id":1314,"date":"2026-02-14T13:28:02","date_gmt":"2026-02-14T13:28:02","guid":{"rendered":"https:\/\/oilwelldirect.com\/?post_type=product&#038;p=1314"},"modified":"2026-03-06T05:37:52","modified_gmt":"2026-03-06T05:37:52","slug":"saver-sub-76666-2-nc50","status":"publish","type":"product","link":"https:\/\/oilwelldirect.com\/ar\/product\/saver-sub-76666-2-nc50\/","title":{"rendered":"Saver Sub \u2013 N. Sea 6-5\/8 REG x NC50 (4-1\/2 IF) | P\/N 76666-2 | 10052108-001"},"content":{"rendered":"<h2>Saver Sub 76666-2 \u2013 N Sea 6-5\/8 REG x NC50 (4-1\/2 IF)<\/h2>\n<p>The Saver Sub (P\/N 76666-2 | Oracle Part No: 10052108-001) is designed to protect top drive and drill string connections from excessive wear and thread damage during drilling operations. By acting as a sacrificial component between critical drilling connections, the saver sub helps reduce maintenance costs and extends the operational life of drilling equipment.<\/p>\n<h3>Connection Configuration<\/h3>\n<p>This saver sub features a <strong>6-5\/8 REG (North Sea) box connection<\/strong> and an <strong>NC50 (4-1\/2 IF) pin connection<\/strong>, making it suitable for a variety of drilling assemblies used in demanding oilfield environments.<\/p>\n<h3>Durable Construction for Harsh Drilling Environments<\/h3>\n<p>Manufactured from high-strength alloy steel, the saver sub is engineered to withstand high torque loads, heavy drilling operations, and harsh offshore and onshore drilling conditions.<\/p>\n<h3>Benefits of Using a Saver Sub<\/h3>\n<ul>\n<li>Protects top drive and drill string threads<\/li>\n<li>Reduces connection wear and maintenance costs<\/li>\n<li>Extends service life of primary drilling connections<\/li>\n<li>Designed for high torque drilling operations<\/li>\n<li>Reliable performance in demanding oilfield environments<\/li>\n<\/ul>\n<h3>Part Numbers<\/h3>\n<ul>\n<li><strong>Legacy Part Number:<\/strong> 76666-2<\/li>\n<li><strong>Oracle Part Number:<\/strong> 10052108-001<\/li>\n<\/ul>\n<p>Connection configuration includes 6-5\/8 REG (North Sea) box and NC50 (4-1\/2 IF) pin connections in accordance with <a href=\"https:\/\/www.api.org\/products-and-services\/standards\" target=\"_blank\" rel=\"noopener\">API drilling equipment standards<\/a>.<\/p>\n<h3>Applications of Saver Sub 76666-2<\/h3>\n<p>The Saver Sub 76666-2 is commonly used in top drive drilling systems to protect critical threaded connections between the top drive and the drill string. By installing a Saver Sub 76666-2 in the drilling assembly, operators can significantly reduce thread wear and prevent costly damage to primary drilling components.<\/p>\n<p>Saver Sub 76666-2 components are widely used in offshore and onshore drilling rigs where high torque and continuous drilling operations place heavy stress on threaded connections. The use of a sacrificial saver sub helps extend the service life of expensive drilling equipment.<\/p>\n<h3>Why Saver Sub 76666-2 Is Important<\/h3>\n<ul>\n<li>Protects expensive top drive connections<\/li>\n<li>Reduces thread damage during drilling<\/li>\n<li>Extends the life of drill string components<\/li>\n<li>Improves reliability of drilling operations<\/li>\n<li>Suitable for demanding oilfield environments<\/li>\n<\/ul>\n<h2 data-start=\"2788\" data-end=\"2818\">Why Choose Oil Well Direct?<\/h2>\n<p data-start=\"2820\" data-end=\"2891\">Oil Well Direct supplies certified drilling equipment spare parts with:<\/p>\n<ul data-start=\"2893\" data-end=\"3042\">\n<li data-start=\"2893\" data-end=\"2933\">\n<p data-start=\"2895\" data-end=\"2933\">17+ years oilfield supply experience<\/p>\n<\/li>\n<li data-start=\"2934\" data-end=\"2962\">\n<p data-start=\"2936\" data-end=\"2962\">Ready stock availability<\/p>\n<\/li>\n<li data-start=\"2963\" data-end=\"2986\">\n<p data-start=\"2965\" data-end=\"2986\">\u0623\u0633\u0639\u0627\u0631 \u062a\u0646\u0627\u0641\u0633\u064a\u0629<\/p>\n<\/li>\n<li data-start=\"2987\" data-end=\"3011\">\n<p data-start=\"2989\" data-end=\"3011\">Fast global shipping<\/p>\n<\/li>\n<li data-start=\"3012\" data-end=\"3042\">\n<p data-start=\"3014\" data-end=\"3042\">Technical sourcing support<\/p>\n<\/li>\n<\/ul>\n<p data-start=\"3044\" data-end=\"3109\"><a href=\"https:\/\/oilwelldirect.com\/ar\/contact-us\/\">Contact us<\/a> today for pricing, availability, and delivery details.<\/p>\n<p data-start=\"3044\" data-end=\"3109\">Explore our full range of <a href=\"https:\/\/oilwelldirect.com\/ar\/product-category\/drilling-equipment\/top-drive-parts\/\"><strong data-start=\"947\" data-end=\"966\">\u0642\u0637\u0639 \u063a\u064a\u0627\u0631 \u0646\u0638\u0627\u0645 Top Drive<\/strong><\/a> for additional compatible components.<\/p>","protected":false},"excerpt":{"rendered":"<p>The Saver Sub 76666-2 is designed to protect top drive and drill string connections during drilling operations. Featuring a N. Sea 6-5\/8 REG box connection and NC50 (4-1\/2 IF) pin connection, this saver sub acts as a sacrificial component to prevent thread wear and extend the life of primary drilling connections.<\/p>","protected":false},"featured_media":1776,"comment_status":"open","ping_status":"closed","template":"","meta":[],"product_brand":[49],"product_cat":[50,55],"product_tag":[192,194,191,195,189,190,193],"class_list":["post-1314","product","type-product","status-publish","has-post-thumbnail","product_brand-nov","product_cat-tds-11sa","product_cat-top-drive-parts","product_tag-6-5-8-reg-saver-sub","product_tag-drilling-saver-sub","product_tag-nc50-saver-sub","product_tag-oilfield-saver-sub","product_tag-saver-sub","product_tag-saver-sub-76666-2","product_tag-top-drive-saver-sub","product_shipping_class-origin-usa","first","instock","taxable","shipping-taxable","product-type-simple"],"jetpack_sharing_enabled":true,"_links":{"self":[{"href":"https:\/\/oilwelldirect.com\/ar\/wp-json\/wp\/v2\/product\/1314","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/oilwelldirect.com\/ar\/wp-json\/wp\/v2\/product"}],"about":[{"href":"https:\/\/oilwelldirect.com\/ar\/wp-json\/wp\/v2\/types\/product"}],"replies":[{"embeddable":true,"href":"https:\/\/oilwelldirect.com\/ar\/wp-json\/wp\/v2\/comments?post=1314"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/oilwelldirect.com\/ar\/wp-json\/wp\/v2\/media\/1776"}],"wp:attachment":[{"href":"https:\/\/oilwelldirect.com\/ar\/wp-json\/wp\/v2\/media?parent=1314"}],"wp:term":[{"taxonomy":"product_brand","embeddable":true,"href":"https:\/\/oilwelldirect.com\/ar\/wp-json\/wp\/v2\/product_brand?post=1314"},{"taxonomy":"product_cat","embeddable":true,"href":"https:\/\/oilwelldirect.com\/ar\/wp-json\/wp\/v2\/product_cat?post=1314"},{"taxonomy":"product_tag","embeddable":true,"href":"https:\/\/oilwelldirect.com\/ar\/wp-json\/wp\/v2\/product_tag?post=1314"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}