{"id":52071,"date":"2025-06-16T19:58:00","date_gmt":"2025-06-16T19:58:00","guid":{"rendered":"https:\/\/ncservo.com\/?post_type=product&#038;p=52071"},"modified":"2026-03-31T18:56:18","modified_gmt":"2026-03-31T18:56:18","slug":"moog-77519","status":"publish","type":"product","link":"https:\/\/ncservo.com\/.wp-toolkit_m\/product\/moog-77519\/","title":{"rendered":"MOOG 77-519"},"content":{"rendered":"<div id=\"wb-what-we-do\" class=\"wordbank-container\">\n<h2>Teardown and Rebuild Steps<\/h2>\n<p>Our repair process for the MOOG 77-519 begins with teardown and mineral bath and ultrasonic cleaning to assess all components.<\/p>\n<\/div>\n<div id=\"wb-why-us\" class=\"wordbank-container\">\n<h2>Independent Repair Facility<\/h2>\n<p>We stock common wear parts in-house, so most rebuilds don&#8217;t require outside sourcing. Less waiting, faster turnaround.<\/p>\n<p>Specializing in MOOG 77-519 servo valve technology for over five decades<\/p>\n<\/div>\n<div id=\"wb-faq\" class=\"wordbank-container\">\n<h2>Frequently Asked Questions<\/h2>\n<div class=\"faq-accordion\">\n<div class=\"faq-item\">\n<h3><button aria-expanded=\"true\" aria-controls=\"faq-content-0\">Can you help identify what&#8217;s wrong with the unit?<\/button><\/h3>\n<div id=\"faq-content-0\" class=\"faq-content\">\n<p>Yes. We diagnose first, then provide a repair recommendation with our findings. No work begins without your approval.<\/p>\n<\/div><\/div>\n<div class=\"faq-item\">\n<h3><button aria-expanded=\"true\" aria-controls=\"faq-content-1\">Do you require the unit to be cleaned before shipping?<\/button><\/h3>\n<div id=\"faq-content-1\" class=\"faq-content\">\n<p>No cleaning required. Our repair process includes disassembly and cleaning of all components.<\/p>\n<\/div><\/div>\n<div class=\"faq-item\">\n<h3><button aria-expanded=\"true\" aria-controls=\"faq-content-2\">Do you offer emergency or expedited repairs?<\/button><\/h3>\n<div id=\"faq-content-2\" class=\"faq-content\">\n<p>We can often prioritize urgent jobs. Note it on your request form and we&#8217;ll let you know what&#8217;s possible.<\/p>\n<\/div><\/div>\n<div class=\"faq-item\">\n<h3><button aria-expanded=\"true\" aria-controls=\"faq-content-3\">How quickly can you return a repaired unit?<\/button><\/h3>\n<div id=\"faq-content-3\" class=\"faq-content\">\n<p>It depends on the unit and scope of work. We provide an estimated timeline after initial evaluation.<\/p>\n<\/div><\/div>\n<div class=\"faq-item\">\n<h3><button aria-expanded=\"true\" aria-controls=\"faq-content-4\">Do you need images to evaluate the unit ahead of time?<\/button><\/h3>\n<div id=\"faq-content-4\" class=\"faq-content\">\n<p>Helpful but not required. If you can photograph the label, connectors, and overall unit, it gives our team a head start.<\/p>\n<\/div><\/div>\n<\/p><\/div>\n<\/div>\n<div id=\"wb-process\" class=\"wordbank-container\">\n<h2>How We Rebuild This Valve<\/h2>\n<p>Our team disassembles each valve to assess internal wear. After ultrasonic cleaning, we install replacements and reassemble and verify operation.<\/p>\n<ul>\n<li>Leak and Pressure Testing: The reassembled unit is leak-tested and pressure-tested to verify it meets published specs.<\/li>\n<li>Cleaning: Units go through a mineral bath, with ultrasonic cleaning used for delicate internals.<\/li>\n<li>Seal and Gasket Replacement: Worn seals and gaskets are replaced with new components during every rebuild.<\/li>\n<li>In-House Parts Sourcing: Many repairs use components sourced from our inventory of 17,000+ units.<\/li>\n<\/ul>\n<\/div>\n<div id=\"wb-testing\" class=\"wordbank-container\">\n<h2>Diagnostic Testing<\/h2>\n<p>Each MOOG 77-519 is tested on a dedicated flow bench before it ships. We check pressure, flow, leakage, and response characteristics against published specifications. Our pre-shipment testing verifies proper functionality.<\/p>\n<\/div>\n<div id=\"wb-industry-focus\" class=\"wordbank-container new-dynamic-section\">\n<h2>Where the MOOG 77-519 Is Used<\/h2>\n<p>Our expert repair services for the MOOG 77-519 are trusted across various sectors including Power Generation, Plastics &#038; Injection Molding, and Steel &#038; Metals. We understand the unique demands of valves in these environments.<\/p>\n<\/div>\n<div id=\"wb-tech-overview\" class=\"wordbank-container new-dynamic-section\">\n<h2>MOOG 77-519 Specifications<\/h2>\n<p>Every MOOG 77-519 we service is tested under typical applications. Our diagnostics verify performance against published specifications. Specification sheets and Technical diagrams are available for purchase upon request.<\/p>\n<\/div>\n<div id=\"wb-logistics-support\" class=\"wordbank-container new-dynamic-section\">\n<h2>Lead Times and Support<\/h2>\n<p>As a focused repair facility for MOOG 77-519 services, NC Servo Tech targets quick resolution with typical lead times of 1 to 3 weeks. Benefit from our responsive technical support to keep your systems running smoothly.<\/p>\n<\/div>\n<div id=\"wb-tips\" class=\"wordbank-container\">\n<h2>Maintenance Tips<\/h2>\n<ul>\n<li>Keep a spare MOOG 77-519 on hand to minimize downtime during unplanned failures.<\/li>\n<li>Conduct thorough visual inspections for wear or leaks during routine maintenance.<\/li>\n<li>Document all maintenance activities to track performance trends over time.<\/li>\n<\/ul>\n<\/div>\n<div id=\"wb-cta\" class=\"wordbank-container\">\n<div class=\"cta-section\">\n<h2>Request a Quote for Your MOOG 77-519 Maintenance<\/h2>\n<p>Request pricing, availability, and turnaround for your MOOG 77-519. NC Servo Tech provides experienced repair with a 1-year warranty. Contact us to start your repair.<\/p>\n<div class=\"cta-buttons\"><a href=\"https:\/\/ncservo.com\/.wp-toolkit_m\/contact-us\/\" class=\"button quote-button\">Request a Quote<\/a> <a href=\"https:\/\/ncservo.com\/.wp-toolkit_m\/moog\/\" class=\"button brand-button\">View All MOOG Products<\/a> <a href=\"https:\/\/ncservo.com\/.wp-toolkit_m\/brand\/moog\/\" class=\"button inventory-button\">Shop MOOG Inventory<\/a><\/div>\n<\/div>\n<\/div>\n<div class=\"disclaimer-section\">\n<p class=\"disclaimer\"><strong>NC Servo Tech<\/strong> is an independent third-party repair facility. We are not affiliated with, endorsed by, sponsored by, or authorized by MOOG or any original equipment manufacturer (OEM), nor do we claim to be a MOOG service center. All brand names, trademarks, model numbers, and part numbers referenced on this page are the property of their respective owners and are used solely for identification and compatibility purposes.<\/p>\n<\/div>\n","protected":false},"excerpt":{"rendered":"<div id=\"wb-short-description\" class=\"short-description-container\">\n<p>Need your MOOG 77-519 repaired right the first time? With 50+ years of hydraulic experience and 17,000+ units in stock, we have the parts and the know-how.<\/p>\n<\/div>\n","protected":false},"featured_media":58052,"template":"","meta":[],"product_brand":[494],"product_cat":[139],"product_tag":[152],"class_list":{"0":"post-52071","1":"product","2":"type-product","3":"status-publish","4":"has-post-thumbnail","6":"product_brand-moog","7":"product_cat-moog","8":"product_tag-valve","10":"first","11":"instock","12":"shipping-taxable","13":"product-type-simple"},"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.3 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>MOOG 77-519 Valve Repair &amp; Rebuild<\/title>\n<meta name=\"description\" content=\"NC Servo repairs your reliable, documented hydraulic valve repair for your MOOG 77-519. 17,000+ valves in stock for fast turnaround. Schedule now!\" \/>\n<meta name=\"robots\" content=\"noindex, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"MOOG 77-519 Valve Repair &amp; Rebuild\" \/>\n<meta property=\"og:description\" content=\"NC Servo repairs your reliable, documented hydraulic valve repair for your MOOG 77-519. 17,000+ valves in stock for fast turnaround. Schedule now!\" \/>\n<meta property=\"og:url\" content=\"https:\/\/ncservo.com\/.wp-toolkit_m\/product\/moog-77519\/\" \/>\n<meta property=\"og:site_name\" content=\"Nc Servo Technology\" \/>\n<meta property=\"article:publisher\" content=\"https:\/\/www.facebook.com\/NCServo\/\" \/>\n<meta property=\"article:modified_time\" content=\"2026-03-31T18:56:18+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/ncservo.com\/.wp-toolkit_m\/wp-content\/uploads\/2026\/03\/moog-771-254-image-1.webp\" \/>\n\t<meta property=\"og:image:width\" content=\"1166\" \/>\n\t<meta property=\"og:image:height\" content=\"860\" \/>\n\t<meta property=\"og:image:type\" content=\"image\/webp\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:site\" content=\"@NcServo\" \/>\n<meta name=\"twitter:label1\" content=\"Est. reading time\" \/>\n\t<meta name=\"twitter:data1\" content=\"3 minutes\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\\\/\\\/schema.org\",\"@graph\":[{\"@type\":\"WebPage\",\"@id\":\"https:\\\/\\\/ncservo.com\\\/.wp-toolkit_m\\\/product\\\/moog-77519\\\/\",\"url\":\"https:\\\/\\\/ncservo.com\\\/.wp-toolkit_m\\\/product\\\/moog-77519\\\/\",\"name\":\"MOOG 77-519 Valve Repair &amp; Rebuild\",\"isPartOf\":{\"@id\":\"https:\\\/\\\/ncservo.com\\\/.wp-toolkit_m\\\/#website\"},\"primaryImageOfPage\":{\"@id\":\"https:\\\/\\\/ncservo.com\\\/.wp-toolkit_m\\\/product\\\/moog-77519\\\/#primaryimage\"},\"image\":{\"@id\":\"https:\\\/\\\/ncservo.com\\\/.wp-toolkit_m\\\/product\\\/moog-77519\\\/#primaryimage\"},\"thumbnailUrl\":\"https:\\\/\\\/ncservo.com\\\/.wp-toolkit_m\\\/wp-content\\\/uploads\\\/2026\\\/03\\\/moog-771-254-image-1.webp\",\"datePublished\":\"2025-06-16T19:58:00+00:00\",\"dateModified\":\"2026-03-31T18:56:18+00:00\",\"description\":\"NC Servo repairs your reliable, documented hydraulic valve repair for your MOOG 77-519. 17,000+ valves in stock for fast turnaround. Schedule now!\",\"breadcrumb\":{\"@id\":\"https:\\\/\\\/ncservo.com\\\/.wp-toolkit_m\\\/product\\\/moog-77519\\\/#breadcrumb\"},\"inLanguage\":\"en-US\",\"potentialAction\":[{\"@type\":\"ReadAction\",\"target\":[\"https:\\\/\\\/ncservo.com\\\/.wp-toolkit_m\\\/product\\\/moog-77519\\\/\"]}]},{\"@type\":\"ImageObject\",\"inLanguage\":\"en-US\",\"@id\":\"https:\\\/\\\/ncservo.com\\\/.wp-toolkit_m\\\/product\\\/moog-77519\\\/#primaryimage\",\"url\":\"https:\\\/\\\/ncservo.com\\\/.wp-toolkit_m\\\/wp-content\\\/uploads\\\/2026\\\/03\\\/moog-771-254-image-1.webp\",\"contentUrl\":\"https:\\\/\\\/ncservo.com\\\/.wp-toolkit_m\\\/wp-content\\\/uploads\\\/2026\\\/03\\\/moog-771-254-image-1.webp\",\"width\":1166,\"height\":860},{\"@type\":\"BreadcrumbList\",\"@id\":\"https:\\\/\\\/ncservo.com\\\/.wp-toolkit_m\\\/product\\\/moog-77519\\\/#breadcrumb\",\"itemListElement\":[{\"@type\":\"ListItem\",\"position\":1,\"name\":\"Home\",\"item\":\"https:\\\/\\\/ncservo.com\\\/.wp-toolkit_m\\\/\"},{\"@type\":\"ListItem\",\"position\":2,\"name\":\"Inventory\",\"item\":\"https:\\\/\\\/ncservo.com\\\/.wp-toolkit_m\\\/inventory\\\/\"},{\"@type\":\"ListItem\",\"position\":3,\"name\":\"MOOG 77-519 Valve\"}]},{\"@type\":\"WebSite\",\"@id\":\"https:\\\/\\\/ncservo.com\\\/.wp-toolkit_m\\\/#website\",\"url\":\"https:\\\/\\\/ncservo.com\\\/.wp-toolkit_m\\\/\",\"name\":\"NC Servo Technology\",\"description\":\"We Buy &amp; Repair Servo Valves\",\"publisher\":{\"@id\":\"https:\\\/\\\/ncservo.com\\\/.wp-toolkit_m\\\/#organization\"},\"potentialAction\":[{\"@type\":\"SearchAction\",\"target\":{\"@type\":\"EntryPoint\",\"urlTemplate\":\"https:\\\/\\\/ncservo.com\\\/.wp-toolkit_m\\\/?s={search_term_string}\"},\"query-input\":{\"@type\":\"PropertyValueSpecification\",\"valueRequired\":true,\"valueName\":\"search_term_string\"}}],\"inLanguage\":\"en-US\"},{\"@type\":\"Organization\",\"@id\":\"https:\\\/\\\/ncservo.com\\\/.wp-toolkit_m\\\/#organization\",\"name\":\"NC Servo\",\"url\":\"https:\\\/\\\/ncservo.com\\\/.wp-toolkit_m\\\/\",\"logo\":{\"@type\":\"ImageObject\",\"inLanguage\":\"en-US\",\"@id\":\"https:\\\/\\\/ncservo.com\\\/.wp-toolkit_m\\\/#\\\/schema\\\/logo\\\/image\\\/\",\"url\":\"\",\"contentUrl\":\"\",\"caption\":\"NC Servo\"},\"image\":{\"@id\":\"https:\\\/\\\/ncservo.com\\\/.wp-toolkit_m\\\/#\\\/schema\\\/logo\\\/image\\\/\"},\"sameAs\":[\"https:\\\/\\\/www.facebook.com\\\/NCServo\\\/\",\"https:\\\/\\\/x.com\\\/NcServo\"]}]}<\/script>\n<!-- \/ Yoast SEO plugin. -->","yoast_head_json":{"title":"MOOG 77-519 Valve Repair &amp; Rebuild","description":"NC Servo repairs your reliable, documented hydraulic valve repair for your MOOG 77-519. 17,000+ valves in stock for fast turnaround. Schedule now!","robots":{"index":"noindex","follow":"follow","max-snippet":"max-snippet:-1","max-image-preview":"max-image-preview:large","max-video-preview":"max-video-preview:-1"},"og_locale":"en_US","og_type":"article","og_title":"MOOG 77-519 Valve Repair &amp; Rebuild","og_description":"NC Servo repairs your reliable, documented hydraulic valve repair for your MOOG 77-519. 17,000+ valves in stock for fast turnaround. Schedule now!","og_url":"https:\/\/ncservo.com\/.wp-toolkit_m\/product\/moog-77519\/","og_site_name":"Nc Servo Technology","article_publisher":"https:\/\/www.facebook.com\/NCServo\/","article_modified_time":"2026-03-31T18:56:18+00:00","og_image":[{"width":1166,"height":860,"url":"https:\/\/ncservo.com\/.wp-toolkit_m\/wp-content\/uploads\/2026\/03\/moog-771-254-image-1.webp","type":"image\/webp"}],"twitter_card":"summary_large_image","twitter_site":"@NcServo","twitter_misc":{"Est. reading time":"3 minutes"},"schema":{"@context":"https:\/\/schema.org","@graph":[{"@type":"WebPage","@id":"https:\/\/ncservo.com\/.wp-toolkit_m\/product\/moog-77519\/","url":"https:\/\/ncservo.com\/.wp-toolkit_m\/product\/moog-77519\/","name":"MOOG 77-519 Valve Repair &amp; Rebuild","isPartOf":{"@id":"https:\/\/ncservo.com\/.wp-toolkit_m\/#website"},"primaryImageOfPage":{"@id":"https:\/\/ncservo.com\/.wp-toolkit_m\/product\/moog-77519\/#primaryimage"},"image":{"@id":"https:\/\/ncservo.com\/.wp-toolkit_m\/product\/moog-77519\/#primaryimage"},"thumbnailUrl":"https:\/\/ncservo.com\/.wp-toolkit_m\/wp-content\/uploads\/2026\/03\/moog-771-254-image-1.webp","datePublished":"2025-06-16T19:58:00+00:00","dateModified":"2026-03-31T18:56:18+00:00","description":"NC Servo repairs your reliable, documented hydraulic valve repair for your MOOG 77-519. 17,000+ valves in stock for fast turnaround. Schedule now!","breadcrumb":{"@id":"https:\/\/ncservo.com\/.wp-toolkit_m\/product\/moog-77519\/#breadcrumb"},"inLanguage":"en-US","potentialAction":[{"@type":"ReadAction","target":["https:\/\/ncservo.com\/.wp-toolkit_m\/product\/moog-77519\/"]}]},{"@type":"ImageObject","inLanguage":"en-US","@id":"https:\/\/ncservo.com\/.wp-toolkit_m\/product\/moog-77519\/#primaryimage","url":"https:\/\/ncservo.com\/.wp-toolkit_m\/wp-content\/uploads\/2026\/03\/moog-771-254-image-1.webp","contentUrl":"https:\/\/ncservo.com\/.wp-toolkit_m\/wp-content\/uploads\/2026\/03\/moog-771-254-image-1.webp","width":1166,"height":860},{"@type":"BreadcrumbList","@id":"https:\/\/ncservo.com\/.wp-toolkit_m\/product\/moog-77519\/#breadcrumb","itemListElement":[{"@type":"ListItem","position":1,"name":"Home","item":"https:\/\/ncservo.com\/.wp-toolkit_m\/"},{"@type":"ListItem","position":2,"name":"Inventory","item":"https:\/\/ncservo.com\/.wp-toolkit_m\/inventory\/"},{"@type":"ListItem","position":3,"name":"MOOG 77-519 Valve"}]},{"@type":"WebSite","@id":"https:\/\/ncservo.com\/.wp-toolkit_m\/#website","url":"https:\/\/ncservo.com\/.wp-toolkit_m\/","name":"NC Servo Technology","description":"We Buy &amp; Repair Servo Valves","publisher":{"@id":"https:\/\/ncservo.com\/.wp-toolkit_m\/#organization"},"potentialAction":[{"@type":"SearchAction","target":{"@type":"EntryPoint","urlTemplate":"https:\/\/ncservo.com\/.wp-toolkit_m\/?s={search_term_string}"},"query-input":{"@type":"PropertyValueSpecification","valueRequired":true,"valueName":"search_term_string"}}],"inLanguage":"en-US"},{"@type":"Organization","@id":"https:\/\/ncservo.com\/.wp-toolkit_m\/#organization","name":"NC Servo","url":"https:\/\/ncservo.com\/.wp-toolkit_m\/","logo":{"@type":"ImageObject","inLanguage":"en-US","@id":"https:\/\/ncservo.com\/.wp-toolkit_m\/#\/schema\/logo\/image\/","url":"","contentUrl":"","caption":"NC Servo"},"image":{"@id":"https:\/\/ncservo.com\/.wp-toolkit_m\/#\/schema\/logo\/image\/"},"sameAs":["https:\/\/www.facebook.com\/NCServo\/","https:\/\/x.com\/NcServo"]}]}},"_links":{"self":[{"href":"https:\/\/ncservo.com\/.wp-toolkit_m\/wp-json\/wp\/v2\/product\/52071","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/ncservo.com\/.wp-toolkit_m\/wp-json\/wp\/v2\/product"}],"about":[{"href":"https:\/\/ncservo.com\/.wp-toolkit_m\/wp-json\/wp\/v2\/types\/product"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/ncservo.com\/.wp-toolkit_m\/wp-json\/wp\/v2\/media\/58052"}],"wp:attachment":[{"href":"https:\/\/ncservo.com\/.wp-toolkit_m\/wp-json\/wp\/v2\/media?parent=52071"}],"wp:term":[{"taxonomy":"product_brand","embeddable":true,"href":"https:\/\/ncservo.com\/.wp-toolkit_m\/wp-json\/wp\/v2\/product_brand?post=52071"},{"taxonomy":"product_cat","embeddable":true,"href":"https:\/\/ncservo.com\/.wp-toolkit_m\/wp-json\/wp\/v2\/product_cat?post=52071"},{"taxonomy":"product_tag","embeddable":true,"href":"https:\/\/ncservo.com\/.wp-toolkit_m\/wp-json\/wp\/v2\/product_tag?post=52071"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}