{"product_id":"rational-1104-0121p-hex-nut-m4-self-locking","title":"Rational 1104.0121p Hex Nut M4 Self Locking","description":"\u003ch3\u003eProduct Description\u003c\/h3\u003e\u003cp\u003eThe RATIONAL 1104.0121p is an M4 self-locking hex nut designed for use in commercial cooking equipment assemblies. Self-locking hex nuts use a deformed thread, nylon insert, or prevailing-torque design to resist loosening under vibration and repeated thermal cycling. This hardware component provides a secure fastening point in applications where standard nuts can back off over time due to heat, movement, or mechanical stress. Installation is typically performed by commercial kitchen equipment technicians and appliance service professionals during repair or preventive maintenance procedures.\u003c\/p\u003e\u003cp\u003eThis M4 self-locking hex nut is suited for commercial appliance applications where metric fasteners are specified. It is intended for use in RATIONAL commercial cooking equipment, including combi ovens and related units requiring OEM-specification hardware during service or component replacement. Using the correct OEM part number ensures proper thread engagement and locking performance within the original assembly tolerances.\u003c\/p\u003e\u003ch4\u003eKey Features\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003eM4 metric thread size for precise fitment in RATIONAL equipment assemblies\u003c\/li\u003e\n\u003cli\u003eSelf-locking design resists loosening caused by vibration and thermal cycling\u003c\/li\u003e\n\u003cli\u003eOEM part number ensures compatibility with original assembly specifications\u003c\/li\u003e\n\u003cli\u003eSuitable for commercial kitchen environments with repeated heat exposure\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch4\u003eCompatibility\u003c\/h4\u003e\u003cp\u003eDesigned as an OEM-specification replacement hex nut for RATIONAL commercial cooking equipment requiring M4 self-locking hardware.\u003c\/p\u003e\u003ch4\u003eInstallation Notes\u003c\/h4\u003e\u003cp\u003eInstallation should be performed by a qualified commercial appliance technician. Power down and disconnect the unit from all electrical sources before beginning any service work. Use appropriate metric hand tools and follow the equipment manufacturer's service documentation for torque and assembly procedures. Discard and replace self-locking nuts that have been removed, as reuse can reduce locking effectiveness.\u003c\/p\u003e\u003ch4\u003eTechnical Specifications\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eThread Size\u003c\/strong\u003e: M4\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eNut Type\u003c\/strong\u003e: Self-Locking Hex Nut\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch4\u003eStandard Information\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eBrand\u003c\/strong\u003e: RATIONAL\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eManufacturer Part Number\u003c\/strong\u003e: 1104.0121p\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"RATIONAL","offers":[{"title":"Default Title","offer_id":51161805488434,"sku":"1104.0121P","price":14.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0270\/4519\/9983\/files\/306258659.jpg?v=1778882412","url":"https:\/\/voomisupply.com\/products\/rational-1104-0121p-hex-nut-m4-self-locking","provider":"Voomi Supply","version":"1.0","type":"link"}