{"product_id":"schlage-nd53-bd-brk-cylindrical-entrance-lock-boardwalk-lever-sfic-prep-less-core","title":"Schlage ND53BD-BRK Cylindrical Entrance Lock, Boardwalk Lever, SFIC Prep Less Core","description":"\u003ch2\u003eSchlage ND53-BD-BRK Cylindrical Entrance Lock, Boardwalk 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-BRK cylindrical entrance lock is a heavy-duty Grade 1 lockset built for demanding commercial openings that require dependable keyed entrance control. Supplied with a Boardwalk lever, SFIC prep less core configuration, 2-3\/4 inch backset, and 4-7\/8 inch strike, this ND Series lock is designed for strength, durability, and consistent performance in high-use environments. Its non-handed design helps simplify installation and stocking, while the ND Series platform is known for robust construction and certified commercial-grade security. This entrance function is a practical choice for offices, schools, healthcare facilities, and other institutional applications.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eFeatures\u003c\/strong\u003e\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eGrade 1 cylindrical lock engineered for high-traffic commercial and institutional openings.\u003c\/li\u003e\n\u003cli\u003eND53 entrance function provides keyed control for secure access management.\u003c\/li\u003e\n\u003cli\u003eSFIC prep less core format allows compatibility with small format interchangeable core systems when the core is supplied separately.\u003c\/li\u003e\n\u003cli\u003eNon-handed construction supports easier installation and reduces field handing concerns.\u003c\/li\u003e\n\u003cli\u003eBoardwalk lever trim offers a clean commercial appearance on a proven ND Series chassis.\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cstrong\u003eFunctional Details\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eThe ND53 entrance function is designed for doors that need keyed access from the outside while maintaining straightforward egress from the inside. This function is commonly used where security and everyday convenience must be balanced on frequently used entry doors.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eOutside lever locked or unlocked by key.\u003c\/li\u003e\n\u003cli\u003eInside lever always unlocked for immediate egress.\u003c\/li\u003e\n\u003cli\u003eDeadlocking latchbolt helps improve security when the door is closed.\u003c\/li\u003e\n\u003cli\u003eNon-handed design allows installation on either right-hand or left-hand doors.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch4\u003eProduct Specifications\u003c\/h4\u003e\u003ctable\u003e\u003ctbody\u003e\n\u003ctr\u003e\n\u003cth\u003eManufacturer\u003c\/th\u003e\n\u003ctd\u003eSchlage\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eSeries\u003c\/th\u003e\n\u003ctd\u003eND Series\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eSKU\u003c\/th\u003e\n\u003ctd\u003eND-53-BD-BRK\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eLock Type\u003c\/th\u003e\n\u003ctd\u003eCylindrical lock\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eFunction\u003c\/th\u003e\n\u003ctd\u003eEntrance\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eGrade\u003c\/th\u003e\n\u003ctd\u003eANSI\/BHMA Grade 1\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eHanding\u003c\/th\u003e\n\u003ctd\u003eNon-handed\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eBackset\u003c\/th\u003e\n\u003ctd\u003e2-3\/4 inch\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eStrike\u003c\/th\u003e\n\u003ctd\u003e4-7\/8 inch strike\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eCylinder Preparation\u003c\/th\u003e\n\u003ctd\u003eSFIC prep less core\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eUL Listing Type\u003c\/th\u003e\n\u003ctd\u003eUL listed for 3-hour fire door\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eANSI Number\u003c\/th\u003e\n\u003ctd\u003eF109\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eBAA Qualified\u003c\/th\u003e\n\u003ctd\u003eYes\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eLimited Warranty\u003c\/th\u003e\n\u003ctd\u003e10-year limited mechanical warranty and 3-year limited electro-mechanical warranty\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\u003cth\u003eBackset\u003c\/th\u003e\n\u003ctd\u003e2-3\/4 inch\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eStrike Height\u003c\/th\u003e\n\u003ctd\u003e4-7\/8 inch\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eDoor Thickness Range\u003c\/th\u003e\n\u003ctd\u003e1-3\/8 inch to 1-3\/4 inch standard\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eLatchbolt Throw\u003c\/th\u003e\n\u003ctd\u003e1\/2 inch\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eCross Bore\u003c\/th\u003e\n\u003ctd\u003e2-1\/8 inch\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eEdge Bore\u003c\/th\u003e\n\u003ctd\u003e1 inch\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eRose Diameter\u003c\/th\u003e\n\u003ctd\u003e3-7\/16 inch\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eLever Projection\u003c\/th\u003e\n\u003ctd\u003e2-15\/16 inch\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eDoor Prep\u003c\/th\u003e\n\u003ctd\u003eANSI A115.2\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eFire Rating\u003c\/th\u003e\n\u003ctd\u003e3 hours\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eCycle Testing\u003c\/th\u003e\n\u003ctd\u003e3,100,000 cycles\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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