{"product_id":"electro-hardware-s1339-m04-f16-k-circuit-board-spacer","title":"Electro Hardware S1339-M04-F16-K Circuit Board Spacer","description":"\u003ch3\u003eProduct Description\u003c\/h3\u003e\n\u003cp\u003eThe ELECTRO HARDWARE S1339-M04-F16-K is a round, female unthreaded aluminum circuit board spacer designed to maintain precise standoff clearance between a PCB and a mounting surface. Built to a 3\/16 inch overall length with a 0.257 inch inside diameter and a 0.500 inch outside diameter, this spacer accepts a 1\/4 inch screw and provides a stable, uncoated aluminum body for electrical and mechanical separation. Manufactured from Aluminum Grade T3 to fastener standard QQ-A-225A Comp 2, it delivers consistent dimensional accuracy with a length tolerance of -0.005 to 0.005 inches and an inside diameter tolerance of 0.000 to 0.010 inches. Electricians, electronics technicians, and OEM assembly professionals install this type of hardware during control board mounting and panel assembly work.\u003c\/p\u003e\n\u003cp\u003eThis spacer is suited for use in residential and commercial control panel assemblies, HVAC circuit board mounting, and general electronics fabrication where a low-profile, precision-machined aluminum standoff is required. Its female unthreaded design allows a standard 1\/4 inch fastener to pass through cleanly, making it appropriate for applications where through-bolting or machine screw mounting is used to secure PCBs to chassis, enclosures, or sub-panels.\u003c\/p\u003e\n\u003ch4\u003eKey Features\u003c\/h4\u003e\n\u003cul\u003e\n  \u003cli\u003eFemale unthreaded body accepts 1\/4 inch screw for clean pass-through fastening\u003c\/li\u003e\n  \u003cli\u003eAluminum Grade T3 construction per fastener standard QQ-A-225A Comp 2\u003c\/li\u003e\n  \u003cli\u003eCompact 3\/16 inch overall length for low-profile PCB standoff applications\u003c\/li\u003e\n  \u003cli\u003e0.500 inch outside diameter provides stable contact surface on board or chassis\u003c\/li\u003e\n  \u003cli\u003eBright uncoated finish  -  no coating interference with electrical grounding paths\u003c\/li\u003e\n  \u003cli\u003eTight length tolerance of plus or minus 0.005 inches for consistent stack height\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch4\u003eCompatibility\u003c\/h4\u003e\n\u003cp\u003eDesigned as an OEM-style replacement or assembly component for circuit board mounting applications requiring a 1\/4 inch thread size, round body, female unthreaded aluminum spacer in the inch measurement system.\u003c\/p\u003e\n\u003ch4\u003eInstallation Notes\u003c\/h4\u003e\n\u003cp\u003eInstallation is performed by electricians, electronics technicians, or qualified OEM assembly personnel. De-energize all circuits and discharge any stored voltage before handling or repositioning circuit boards. Use appropriately sized hand tools to seat the fastener without over-torquing, which can crack the PCB substrate or distort the spacer. Follow applicable NEC guidelines and equipment manufacturer procedures when mounting control boards inside electrical enclosures.\u003c\/p\u003e\n\u003ch4\u003eTechnical Specifications\u003c\/h4\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eMaterial\u003c\/strong\u003e: Aluminum\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eMaterial Grade\u003c\/strong\u003e: T3\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eFastener Standard\u003c\/strong\u003e: QQ-A-225A Comp 2\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eType\u003c\/strong\u003e: Female Unthreaded\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eBody Shape\u003c\/strong\u003e: Round\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eScrew Size\u003c\/strong\u003e: 1\/4 inch\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eOverall Length\u003c\/strong\u003e: 3\/16 inches (0.1875 inches)\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eInside Diameter\u003c\/strong\u003e: 0.257 inches\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eOutside Diameter\u003c\/strong\u003e: 0.500 inches (1\/2 inch)\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eInside Diameter Tolerance\u003c\/strong\u003e: 0.000 to 0.010 inches\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eLength Tolerance\u003c\/strong\u003e: -0.005 to 0.005 inches\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eFinish\u003c\/strong\u003e: Bright\/Uncoated\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eSystem of Measurement\u003c\/strong\u003e: Inch\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003ePackage Quantity\u003c\/strong\u003e: 1\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: ELECTRO HARDWARE\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eManufacturer Part Number\u003c\/strong\u003e: S1339-M04-F16-K\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"ELECTRO HARDWARE","offers":[{"title":"Default Title","offer_id":51743293047090,"sku":"S1339-M04-F16-K","price":14.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0270\/4519\/9983\/files\/64ed36ec3a1c33caaf172ec4e8fe95b6_3bfabd31-01e9-4381-bc47-ddeda5ea9798.jpg?v=1788845206","url":"https:\/\/voomisupply.com\/products\/electro-hardware-s1339-m04-f16-k-circuit-board-spacer","provider":"Voomi Supply","version":"1.0","type":"link"}