[{"data":1,"prerenderedAt":-1},["ShallowReactive",2],{"localized:\u002Fen\u002Fproducts\u002Fcisa-hardware-152844700":3,"product-context:en:cisa-hardware-152844700":189},{"totalTranslated":4,"brands":5,"record":96,"rows":170,"index":171,"groups":183,"total":188,"page":188,"totalPages":188},5152,[6,7,8,9,10,11,12,13,14,15,16,17,18,19,20,21,22,23,24,25,26,27,28,29,30,31,32,33,34,35,36,37,38,39,40,41,42,43,44,45,46,47,48,49,50,51,52,53,54,55,56,57,58,59,60,61,62,63,64,65,66,67,68,69,70,71,72,73,74,75,76,77,78,79,80,81,82,83,84,85,86,87,88,89,90,91,92,93,94,95],"ABLOY","ABUS","AGB","ASSA","Adams Rite","Aqara","BKS","BURG-WÄCHTER","Borg Locks","CES","CISA","Camlock Systems","Carbine","Codelocks","Corbin Russwin","D&D Technologies","DIRAK","DOM","Danalock","Dnd","EMKA","ERA","EVVA","FUHR","Fanal","GERDA","GOAL","Gainsborough","Gateman","Godrej","Häfele","ID Lock","ISEO","JNF","JuNie","KESO","Kaadas","Kale Kilit","Kwikset","LEHMANN","LINCE","LITTO","Legge","Level","Locinox","Lockly","Lockwood","Lowe & Fletcher","MIWA","Master Lock","Medeco","Miles Nelson","Mottura","Mul-T-Lock","Nuki","Ojmar","PHILLIPS","PRIVE","Papaiz","Potent","Prefer","Ruko","SARGENT","SOLITY","Salto","Scanavini","Schlage","Securitron","Shelly","SimonsVoss","Southco","Stam","Sugatsune","SwitchBot","TESA","TOKOZ","Taymor","Tedee","Thirard","ULTRALOQ","UNION","Vachette","Viro","Weiser","Winkhaus","Yale","dormakaba","eufy","iLOQ","igloohome",{"slug":97,"brand":16,"model":98,"title":99,"description":100,"approved":101,"updated":102,"sourceLabel":103,"sourceUrl":104,"parameters":105,"limitations":142,"guideSlugs":145,"sections":148,"illustration":160,"image":164},"cisa-hardware-152844700","152844700","CISA 52844 70 mm Backset Function D heavy-duty escape mortise lock (152844700)","Function D heavy-duty escape mortise lock: Backset: 70 mm; Faceplate width: 22 mm; Case: Galvanized steel; Latch: Reversible nickel-plated silent construction; Faceplate ends: Square ends; Centre distance: 85 mm; Function: D; Bolt throws: 1; Square spindle: Split; Inside operation: Handle or escape device operates latch and bolt; Outside operation: Handle operates latch; Key operation: Bolt-only operation on both sides.",true,"2026-10-27","CISA 2026 English catalogue, PDF page 351 \u002F printed page 347","https:\u002F\u002Fcisa.com\u002Fen\u002Fwp-content\u002Fuploads\u002Fsites\u002F18\u002F2026\u002F04\u002FEnglish-catalog.pdf#page=351",[106,109,112,115,118,121,124,127,130,133,136,139],{"label":107,"value":108},"Backset","70 mm",{"label":110,"value":111},"Faceplate width","22 mm",{"label":113,"value":114},"Case","Galvanized steel",{"label":116,"value":117},"Latch","Reversible nickel-plated silent construction",{"label":119,"value":120},"Faceplate ends","Square ends",{"label":122,"value":123},"Centre distance","85 mm",{"label":125,"value":126},"Function","D",{"label":128,"value":129},"Bolt throws","1",{"label":131,"value":132},"Square spindle","Split",{"label":134,"value":135},"Inside operation","Handle or escape device operates latch and bolt",{"label":137,"value":138},"Outside operation","Handle operates latch",{"label":140,"value":141},"Key operation","Bolt-only operation on both sides",[143,144],"Series certification and catalogue descriptions of fire or escape applications do not mean this model meets current requirements when installed in any door assembly.","Check accessories against the corresponding model and installation instructions; Cylinders, rods and escutcheons listed as available on request are not standard equipment.",[146,147],"door-lock-selection","supplier-documents",[149,154],{"id":150,"title":151,"paragraphs":152},"structure","Construction and operation of this version",[153],"152844700 is an explicit ordering row in the 52844 series with backset 70 mm. With function D, after opening from inside, the bolt remains retracted when the door closes again; the outside handle remains enabled and can retract the latch. This access state differs from function B, where the outside handle remains disabled; selection should follow actual access-management needs.",{"id":155,"title":156,"paragraphs":157},"measurement","How to check installation dimensions",[158,159],"This model's backset is 70 mm, the distance from the specified door-edge faceplate reference to the operating axis. Faceplate width, centre distance and external lock-body depth describe different directions and must not substitute for one another.","For replacement, record the old lock's full number, faceplate-end shape, inside and outside operating components and strike positions; when changing handing or linked rods, confirm interfaces according to the product instructions.",{"url":161,"alt":162,"caption":163},"\u002Fillustrations\u002Fen\u002Fproducts\u002Fcisa-hardware-152844700.svg","152844700 backset 70 mm measurement-reference diagram; not a product view","Drawn by this site from the explicit dimensions of the corresponding model; the diagram is not to scale and is not a drilling template.",{"url":165,"sourceUrl":104,"credit":166,"scope":167,"caption":168,"alt":169},"\u002Fproducts\u002Fcisa\u002Fcatalog-p351-y484.png","CISA official English catalogue — product table illustration","series","Official series illustration, not a photo of this exact size variant; consult model specifications.","CISA 152844700 — Official series illustration, not a photo of this exact size variant; consult model specifications.",[],[172,178],{"slug":146,"title":173,"description":174,"category":175,"updated":102,"kind":176,"path":177},"Define Your Requirements Before Choosing a Lock","Start with the application, existing door and purchasing conditions to prepare selection requirements for supplier confirmation.","Selection basics","guides","\u002Fen\u002Fguides\u002Fdoor-lock-selection",{"slug":147,"title":179,"description":180,"category":181,"updated":102,"kind":176,"path":182},"Which Documents Do You Need for a Lock?","What catalogues, dimensional drawings, instructions and reports explain, and how to match them to the same model.","Document verification","\u002Fen\u002Fguides\u002Fsupplier-documents",[184],{"slug":185,"title":16,"path":186,"count":187},"cisa","\u002Fen\u002Fbrands\u002Fcisa",1626,1,{"kind":190,"dimensions":191,"guide":195,"comparisons":196,"groups":197},"lock",[192,193,194],{"label":107,"value":108},{"label":110,"value":111},{"label":122,"value":123},"\u002Fen\u002Fcategories\u002Fdimensions",[],[198],{"slug":185,"title":16,"path":186,"count":187}]