{"product_id":"schlage-nd53-bd-lon-cylindrical-entrance-lock-longitude-lever-sfic-prep-less-core","title":"Schlage ND53BD-LON Cylindrical Entrance Lock, Longitude Lever, SFIC Prep Less Core","description":"\u003ch2\u003eSchlage ND53-BD-LON Cylindrical Entrance Lock, Longitude Lever, SFIC Prep Less Core, 2-3\/4 Inch Backset, 4-7\/8 Inch Strike, Grade 1, Non Handed\u003c\/h2\u003e\u003cp\u003eThe Schlage ND53-BD-LON cylindrical entrance lock is built for high-traffic commercial openings that require dependable security and long service life. As part of the ND Series, this Grade 1 lock is designed for demanding applications and features a non-handed chassis for easier field installation. The listed configuration includes the Longitude lever, SFIC prep less core, a 2-3\/4 inch backset, and a 4-7\/8 inch strike, making it a practical choice for institutional, office, and public building doors. Its entrance function supports secure access control while maintaining the durability and performance expected from Schlage commercial hardware.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eFeatures\u003c\/strong\u003e\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eGrade 1 cylindrical lock construction is designed for heavy-duty commercial use.\u003c\/li\u003e\n\u003cli\u003eND53 entrance function provides keyed security for doors that need controlled access from the outside.\u003c\/li\u003e\n\u003cli\u003eNon-handed design allows the lock to be installed on either right-hand or left-hand doors.\u003c\/li\u003e\n\u003cli\u003eSFIC prep less core configuration supports small format interchangeable core systems when the core is supplied separately.\u003c\/li\u003e\n\u003cli\u003eThe 2-3\/4 inch backset and 4-7\/8 inch strike match common commercial door preparations.\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cstrong\u003eFunctional Details\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eThe ND53 entrance function is intended for openings where outside access is controlled by key while interior egress remains straightforward. This makes it well suited for offices, schools, and similar commercial spaces that need security without complicating exit from the inside.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eEntrance\/office lock function.\u003c\/li\u003e\n\u003cli\u003eOutside lever locked by push button from inside.\u003c\/li\u003e\n\u003cli\u003eTurning inside lever or closing door releases button.\u003c\/li\u003e\n\u003cli\u003eOutside lever unlocked by key.\u003c\/li\u003e\n\u003cli\u003eInside lever always free for immediate egress.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch4\u003eProduct Specifications\u003c\/h4\u003e\u003ctable\u003e\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eManufacturer\u003c\/td\u003e\n\u003ctd\u003eSchlage\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSKU\u003c\/td\u003e\n\u003ctd\u003eND-53-BD-LON\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSeries\u003c\/td\u003e\n\u003ctd\u003eND Series\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eLock Type\u003c\/td\u003e\n\u003ctd\u003eCylindrical Lock\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFunction\u003c\/td\u003e\n\u003ctd\u003eEntrance\/Office\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eGrade\u003c\/td\u003e\n\u003ctd\u003eANSI\/BHMA Grade 1\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eHanding\u003c\/td\u003e\n\u003ctd\u003eNon-handed\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOrigin\u003c\/td\u003e\n\u003ctd\u003eMade in U.S.A.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eUL Listing Type\u003c\/td\u003e\n\u003ctd\u003eUL listed for 3-hour fire door\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eANSI Number\u003c\/td\u003e\n\u003ctd\u003eF109\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBAA Qualified\u003c\/td\u003e\n\u003ctd\u003eYes\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eLimited Warranty\u003c\/td\u003e\n\u003ctd\u003e10 year mechanical warranty and 3 year electro mechanical warranty\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eUnit of Measure\u003c\/td\u003e\n\u003ctd\u003eEach\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\u003c\/table\u003e\u003ch4\u003eTechnical Specifications\u003c\/h4\u003e\u003ctable\u003e\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eBackset\u003c\/td\u003e\n\u003ctd\u003e2-3\/4 in\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eStrike Length\u003c\/td\u003e\n\u003ctd\u003e4-7\/8 in\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDoor Thickness Range\u003c\/td\u003e\n\u003ctd\u003e1-3\/8 in to 2-1\/8 in\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCrossbore\u003c\/td\u003e\n\u003ctd\u003e2-1\/8 in\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eEdge Bore\u003c\/td\u003e\n\u003ctd\u003e1 in\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eLatch Front\u003c\/td\u003e\n\u003ctd\u003e1-1\/8 in x 2-1\/4 in\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eStrike Dimension\u003c\/td\u003e\n\u003ctd\u003e1-1\/4 in x 4-7\/8 in\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCylinder Type\u003c\/td\u003e\n\u003ctd\u003eSFIC prep less core\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFire Rating\u003c\/td\u003e\n\u003ctd\u003e3 hour\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCycle Test\u003c\/td\u003e\n\u003ctd\u003e3,100,000 cycles\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eLever Design\u003c\/td\u003e\n\u003ctd\u003eLongitude\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\u003c\/table\u003e","brand":"SCHLAGE","offers":[{"title":"US26D-626 Satin 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