{"product_id":"merit-brass-x119-20-brass-pipe-locknut-1-1-4-in-fnpt","title":"Merit Brass X119-20 Brass Pipe Locknut 1-1\/4 in Fnpt","description":"\u003ch3\u003eProduct Description\u003c\/h3\u003e\n\u003cp\u003eThe MERIT BRASS X119-20 is a brass pipe locknut designed to secure fittings, bushings, and fixtures to threaded pipe assemblies. It features female NPT (FNPT) threading on both ends and carries a Class 125 pressure rating, making it a dependable choice for low-to-medium pressure plumbing and piping systems. The 1-1\/4 inch fitting size suits a wide range of residential and light commercial applications. Licensed plumbers and pipefitters install this locknut as part of standard threaded pipe work, tightening it against a panel, flange, or fitting body to prevent loosening under vibration or line pressure.\u003c\/p\u003e\n\u003cp\u003eThis locknut is used in residential and light commercial plumbing installations where a threaded brass component is needed to lock a fitting or fixture in place. Common applications include fixture supply connections, panel penetrations, and general pipe assembly work involving 1-1\/4 inch NPT threaded connections. It is suited for water service lines and other compatible fluid systems within the pressure limits of the Class 125 rating.\u003c\/p\u003e\n\u003ch4\u003eKey Features\u003c\/h4\u003e\n\u003cul\u003e\n  \u003cli\u003e1-1\/4 inch fitting size for standard pipe assemblies\u003c\/li\u003e\n  \u003cli\u003eFNPT threading on both ends for straightforward threaded connections\u003c\/li\u003e\n  \u003cli\u003eClass 125 pressure rating suitable for low-to-medium pressure systems\u003c\/li\u003e\n  \u003cli\u003eBrass construction provides corrosion resistance in plumbing environments\u003c\/li\u003e\n  \u003cli\u003eCompact locknut profile for use in tight panel or fixture installations\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch4\u003eCompatibility\u003c\/h4\u003e\n\u003cp\u003eDesigned as an OEM-style replacement or standard-service locknut for 1-1\/4 inch FNPT threaded pipe assemblies in Class 125 plumbing and piping systems.\u003c\/p\u003e\n\u003ch4\u003eInstallation Notes\u003c\/h4\u003e\n\u003cp\u003eInstallation is performed by a licensed plumber or pipefitter in accordance with applicable IPC or local plumbing code requirements. Shut off water supply and relieve system pressure before disassembling any threaded connection. Use a pipe wrench or strap wrench to seat the locknut firmly without over-torquing the brass threads. Apply thread sealant tape or compound as appropriate for the service fluid and connection type.\u003c\/p\u003e\n\u003ch4\u003eTechnical Specifications\u003c\/h4\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eFitting Size\u003c\/strong\u003e: 1-1\/4 inches\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eFitting Type\u003c\/strong\u003e: Locknut\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eEnd Connections\u003c\/strong\u003e: FNPT\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eConnection Type\u003c\/strong\u003e: Threaded\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eThread Standard\u003c\/strong\u003e: FNPT\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003ePressure Rating\u003c\/strong\u003e: 125 psi\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eClass\u003c\/strong\u003e: 125\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eMaterial\u003c\/strong\u003e: Brass\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eLead Free\u003c\/strong\u003e: No\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eWeight\u003c\/strong\u003e: 0.3 pounds\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: MERIT BRASS\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eManufacturer Part Number\u003c\/strong\u003e: X119-20\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"MERIT BRASS","offers":[{"title":"Default Title","offer_id":51538278383922,"sku":"X119-20","price":45.54,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0270\/4519\/9983\/files\/b4b5809d0dc4914894c1c3cdf5d792f1.jpg?v=1785821546","url":"https:\/\/voomisupply.com\/products\/merit-brass-x119-20-brass-pipe-locknut-1-1-4-in-fnpt","provider":"Voomi Supply","version":"1.0","type":"link"}