{"product_id":"sargent-8237-lnb-3-grade-1-classroom-mortise-lock","title":"Sargent 8237 Lnb 3 Grade 1 Classroom Mortise Lock","description":"\u003ch3\u003eProduct Description\u003c\/h3\u003e\u003cp\u003eThe SARGENT 8237 LNB 3 is a Grade 1 classroom mortise lock designed for commercial and institutional door hardware applications. It features an LN rose with a B lever trim configuration and accepts a conventional cylinder. The unit is field reversible, allowing installation on doors with either hand without special ordering. An ASA strike is included for standard frame preparation. Grade 1 classification indicates the highest ANSI\/BHMA performance rating, making this lock appropriate for high-traffic environments such as schools, government buildings, and healthcare facilities.\u003c\/p\u003e\u003cp\u003eThis mortise lock is intended for classroom security function, where the outside lever is locked or unlocked by key from the exterior while the inside lever remains free egress at all times. It is suited for installation in hollow metal or wood doors that have been prepped for a standard mortise pocket. The Bright Brass finish (finish code 3) provides a traditional appearance consistent with commercial hardware sets. Licensed locksmiths, door hardware specialists, and commercial contractors are the primary installers.\u003c\/p\u003e\u003ch4\u003eKey Features\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003eGrade 1 ANSI\/BHMA performance rating for high-traffic and institutional use\u003c\/li\u003e\n\u003cli\u003eClassroom function: outside lever locked by key, inside lever always allows free egress\u003c\/li\u003e\n\u003cli\u003eField reversible handing eliminates the need to specify hand at time of order\u003c\/li\u003e\n\u003cli\u003eLN rose with B lever trim for a clean, commercial aesthetic\u003c\/li\u003e\n\u003cli\u003eConventional cylinder prep accepts standard interchangeable core or fixed cylinder\u003c\/li\u003e\n\u003cli\u003eASA strike included for compatibility with standard door frame preparations\u003c\/li\u003e\n\u003cli\u003eBright Brass finish (finish 3) for traditional commercial appearance\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch4\u003eCompatibility\u003c\/h4\u003e\u003cp\u003eDesigned as an OEM-style replacement or new-installation mortise lock for commercial and institutional doors prepared to accept a standard mortise lock body with ASA strike cutout.\u003c\/p\u003e\u003ch4\u003eInstallation Notes\u003c\/h4\u003e\u003cp\u003eInstallation should be performed by a licensed locksmith or qualified commercial door hardware technician familiar with mortise lock preparation and ANSI door prep standards. Verify door hand and backset before installation, even though the unit is field reversible. Ensure the door is secure and the building access control system is appropriately coordinated before removing any existing hardware. Consult local building codes and applicable fire door rating requirements before installing on labeled fire-rated assemblies.\u003c\/p\u003e\u003ch4\u003eTechnical Specifications\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eGrade\u003c\/strong\u003e: Grade 1 (ANSI\/BHMA)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eLock Type\u003c\/strong\u003e: Mortise\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFunction\u003c\/strong\u003e: Classroom\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eLever Style\u003c\/strong\u003e: B Lever\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eRose Style\u003c\/strong\u003e: LN Rose\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCylinder Type\u003c\/strong\u003e: Conventional Cylinder\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eStrike\u003c\/strong\u003e: ASA Strike\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHanding\u003c\/strong\u003e: Field Reversible\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFinish\u003c\/strong\u003e: Bright Brass (3)\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch4\u003eStandard Information\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eBrand\u003c\/strong\u003e: SARGENT\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eManufacturer Part Number\u003c\/strong\u003e: 8237 LNB 3\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"SARGENT","offers":[{"title":"Default Title","offer_id":68306238406962,"sku":"8237 LNB 3","price":958.43,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0270\/4519\/9983\/files\/69fa27e1083b8c34efd04becda9e4d0b.jpg?v=1793752974","url":"https:\/\/voomisupply.com\/products\/sargent-8237-lnb-3-grade-1-classroom-mortise-lock","provider":"Voomi Supply","version":"1.0","type":"link"}