{"product_id":"national-marker-n139873-removable-pin-broad-hinge","title":"National Marker N139873 Removable Pin Broad Hinge","description":"\u003ch3\u003eProduct Description\u003c\/h3\u003e\n\u003cp\u003eThe NATIONAL MARKER N139873 is a 3.5-inch removable pin broad hinge built for general utility and industrial applications. Constructed from galvanized steel with a brass pin, it provides corrosion resistance suitable for demanding service environments. The swaged design is intended for mortise installations, allowing a clean, recessed fit in door frames and casework. The loose pin configuration lets doors be removed without uninstalling the hinge leaves, which saves time during service, maintenance, and equipment access work. Installation trades including carpenters, millwrights, and industrial maintenance technicians will encounter this hinge across a wide range of commercial and industrial door applications.\u003c\/p\u003e\n\u003cp\u003eThis hinge is suited for residential utility and industrial settings where frequent door removal is required or anticipated. The mortise-ready swaged leaves seat flush into prepared cutouts. The galvanized steel construction resists rust in moderately wet or high-humidity environments such as mechanical rooms, storage facilities, and light industrial spaces. Note that fasteners are not included with this item.\u003c\/p\u003e\n\u003ch4\u003eKey Features\u003c\/h4\u003e\n\u003cul\u003e\n  \u003cli\u003eRemovable brass pin allows door removal without uninstalling hinge leaves\u003c\/li\u003e\n  \u003cli\u003eSwaged leaves designed for mortise installation for a flush, recessed fit\u003c\/li\u003e\n  \u003cli\u003eGalvanized steel construction for corrosion resistance in utility and industrial environments\u003c\/li\u003e\n  \u003cli\u003e3.5-inch hinge size suitable for standard utility and light industrial doors\u003c\/li\u003e\n  \u003cli\u003eSold individually with no fasteners included\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch4\u003eCompatibility\u003c\/h4\u003e\n\u003cp\u003eDesigned as an OEM-style replacement and general-use broad hinge for mortise door applications in utility and industrial settings. Corresponds to National catalog model series V504 through V504BC.\u003c\/p\u003e\n\u003ch4\u003eInstallation Notes\u003c\/h4\u003e\n\u003cp\u003eInstallation is typically performed by carpenters, millwrights, or industrial maintenance technicians. Power down any electrically operated door hardware before beginning work. Mortise preparation should match the hinge leaf dimensions to ensure a flush fit. Fasteners are not supplied with this hinge and must be sourced separately appropriate to the door material and load requirements.\u003c\/p\u003e\n\u003ch4\u003eTechnical Specifications\u003c\/h4\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eHinge Size\u003c\/strong\u003e: 3.5 inches\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eMaterial\u003c\/strong\u003e: Galvanized steel with brass pin\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003ePin Type\u003c\/strong\u003e: Removable loose pin\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eInstallation Type\u003c\/strong\u003e: Mortise (swaged leaves)\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eWeight\u003c\/strong\u003e: 0.512 pounds\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eFasteners Included\u003c\/strong\u003e: No\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eUPC\u003c\/strong\u003e: 00038613139879\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch4\u003eStandard Information\u003c\/h4\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eBrand\u003c\/strong\u003e: NATIONAL MARKER\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eManufacturer Part Number\u003c\/strong\u003e: N139873\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"NATIONAL MARKER","offers":[{"title":"Default Title","offer_id":51346049630514,"sku":"N139873","price":59.77,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0270\/4519\/9983\/files\/310550165.jpg?v=1782069761","url":"https:\/\/voomisupply.com\/products\/national-marker-n139873-removable-pin-broad-hinge","provider":"Voomi Supply","version":"1.0","type":"link"}