{"product_id":"prime-line-products-sp-9637-extension-spring-1-in-od-3-pack","title":"Prime Line Products Sp 9637 Extension Spring 1 in Od 3-pack","description":"\u003ch3\u003eProduct Description\u003c\/h3\u003e\u003cp\u003eThe PRIME LINE PRODUCTS SP 9637 is a single loop extension spring designed for general handyman and light mechanical applications. Constructed from durable spring steel with a nickel-plated finish, this spring resists corrosion and is rated for use both indoors and outdoors. Key dimensions include a 1 inch outside diameter, 19\/32 inch inside diameter, 12 inch length, and 0.105 inch wire diameter. The spring carries a maximum safe load of 35.4 pounds and a maximum deflection of 11.7 inches. Each package contains 3 springs. This part is installed by maintenance technicians, handymen, and trade professionals in a wide range of mechanical and structural assemblies.\u003c\/p\u003e\u003cp\u003eThe SP 9637 is suited for residential and light commercial maintenance tasks where a reliable, corrosion-resistant extension spring is needed. Common applications include door assemblies, screen doors, equipment guards, and general tensioning applications in both indoor and outdoor environments. The single loop end configuration allows straightforward attachment to hooks, pins, or anchor points in standard spring-loaded mechanisms. The nickel-plated finish extends service life in humid or exposed conditions compared to bare steel springs.\u003c\/p\u003e\u003ch4\u003eKey Features\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003eSpring steel construction for consistent tensile strength and fatigue resistance\u003c\/li\u003e\n\u003cli\u003eNickel-plated finish provides corrosion resistance for indoor and outdoor use\u003c\/li\u003e\n\u003cli\u003eSingle loop ends allow easy attachment to standard hooks and anchor points\u003c\/li\u003e\n\u003cli\u003eMaximum safe load of 35.4 pounds with 11.7 inch maximum deflection\u003c\/li\u003e\n\u003cli\u003eSold in a package of 3 springs\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch4\u003eCompatibility\u003c\/h4\u003e\u003cp\u003eDesigned as a general-purpose single loop extension spring suitable for a wide range of residential and light commercial mechanical assemblies requiring a 1 inch OD, 12 inch length spring with single loop ends.\u003c\/p\u003e\u003ch4\u003eInstallation Notes\u003c\/h4\u003e\u003cp\u003eExtension springs store energy under tension and should be installed and removed only after the mechanism is fully relieved of load. Wear appropriate eye protection when working with extension springs, as sudden release can cause injury. Ensure attachment points and hooks are rated to handle the maximum safe load of 35.4 pounds before installation. Follow applicable local building or mechanical codes for the specific assembly type being serviced.\u003c\/p\u003e\u003ch4\u003eTechnical Specifications\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eOutside Diameter\u003c\/strong\u003e: 1 inch\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eInside Diameter\u003c\/strong\u003e: 19\/32 inch\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eLength\u003c\/strong\u003e: 12 inches\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWire Diameter\u003c\/strong\u003e: 0.105 inch\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMaximum Safe Load\u003c\/strong\u003e: 35.4 pounds\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMaximum Deflection\u003c\/strong\u003e: 11.7 inches\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eEnd Type\u003c\/strong\u003e: Single Loop\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMaterial\u003c\/strong\u003e: Spring Steel\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFinish\u003c\/strong\u003e: Nickel-Plated\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePackage Quantity\u003c\/strong\u003e: 3\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePackage Weight\u003c\/strong\u003e: 2 pounds\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch4\u003eStandard Information\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eBrand\u003c\/strong\u003e: PRIME LINE PRODUCTS\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eManufacturer Part Number\u003c\/strong\u003e: SP 9637\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"PRIME-LINE","offers":[{"title":"Default Title","offer_id":51558880674098,"sku":"SP 9637","price":33.14,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0270\/4519\/9983\/files\/073fd090a80fa31b9440286108e18fad.jpg?v=1786421704","url":"https:\/\/voomisupply.com\/products\/prime-line-products-sp-9637-extension-spring-1-in-od-3-pack","provider":"Voomi Supply","version":"1.0","type":"link"}