{"product_id":"schlage-nd53-pd-spa-cylindrical-entrance-lock-sparta-lever-schlage-c-keyed-different","title":"Schlage ND53-PD-SPA Cylindrical Entrance Lock, Sparta Lever, Schlage \"C\", Keyed Different","description":"\u003ch2\u003eSchlage ND53-PD-SPA Cylindrical Entrance Lock, Sparta Lever, Schlage \"C\", Keyed Different, [2] Change Keys, 2-3\/4 Inch Backset, 4-7\/8 Inch Strike, Grade 1, Non Handed\u003c\/h2\u003e\u003cp\u003eThe Schlage ND53-PD-SPA cylindrical entrance lock is a heavy-duty Grade 1 lockset built for commercial openings that need dependable keyed entry performance and long service life. Part of the Schlage ND Series, this lock combines a Sparta lever design with a non-handed chassis for easier installation and broad door compatibility. The ND53 entrance function is suited for applications where outside access is controlled by key while the inside lever allows free egress. With its 2-3\/4 inch backset, 4-7\/8 inch strike, and Schlage C keyway keyed different with two change keys, it is a practical choice for schools, offices, and institutional buildings.\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 high-use commercial openings.\u003c\/li\u003e\n\u003cli\u003eND53 entrance function provides keyed access from the outside with free egress from the inside.\u003c\/li\u003e\n\u003cli\u003eNon-handed design allows installation on either right-hand or left-hand doors.\u003c\/li\u003e\n\u003cli\u003eSparta lever trim offers a clean commercial appearance with Schlage ND Series durability.\u003c\/li\u003e\n\u003cli\u003eFactory configured with a Schlage C keyway, keyed different, and supplied with two change keys.\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 doors that require secure exterior access while maintaining immediate exit from the inside. The outside lever remains rigid until unlocked by key, and the inside lever always allows latch retraction for safe egress.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eOutside lever locked by push button from inside.\u003c\/li\u003e\n\u003cli\u003eInside lever always unlocked.\u003c\/li\u003e\n\u003cli\u003eClosing door releases button.\u003c\/li\u003e\n\u003cli\u003eOutside lever unlocked by key from outside or by turning inside lever.\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-PD-SPA\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 \/ Office\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eGrade\u003c\/th\u003e\n\u003ctd\u003eANSI\/BHMA A156.2, Series 4000, 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\u003eOrigin\u003c\/th\u003e\n\u003ctd\u003eMade in USA of domestic and foreign materials\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eUnit of Measure\u003c\/th\u003e\n\u003ctd\u003eEach\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 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\u003eDoor Thickness\u003c\/th\u003e\n\u003ctd\u003e1-5\/8 in to 2-1\/8 in\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eBackset\u003c\/th\u003e\n\u003ctd\u003e2-3\/4 in\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eStrike\u003c\/th\u003e\n\u003ctd\u003e4-7\/8 in ANSI strike\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eLatch Front\u003c\/th\u003e\n\u003ctd\u003e1-1\/8 in x 2-1\/4 in\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eCrossbore\u003c\/th\u003e\n\u003ctd\u003e2-1\/8 in\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eEdge 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