{"product_id":"female-female-standoffs-3-16-od-x-5-8-4-40-aluminum-plain_fc1639-440-a","title":"3\/16\" OD X 5\/8\" Female-Female Standoffs | #4-40 | Aluminum | Plain (250\/Pkg.)","description":"\u003cdiv\u003eStandoffs function as precision spacing components within industrial equipment enclosures, control panels, and electronic chassis assemblies where consistent board-to-board or panel-to-surface separation prevents electrical interference and supports thermal management. Engineers select these fasteners for rack-mounted systems, automation controls, and instrumentation housings requiring reliable mechanical isolation under vibration and temperature cycling.\n\u003cp\u003eThese \u003cb\u003efemale-female standoffs\u003c\/b\u003e feature a 3\/16 OD by 5\/8 length profile with \u003cb\u003e#4-40\u003c\/b\u003e internal threads at both ends machined from aluminum stock in a plain finish.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cb\u003eDimensions:\u003c\/b\u003e 3\/16 OD by 5\/8 length\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eMaterial grade:\u003c\/b\u003e Aluminum\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eThread type:\u003c\/b\u003e #4-40 female-female\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eFinish:\u003c\/b\u003e Plain\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cul\u003e\n\u003cli\u003eInternal threading at both ends supports direct attachment of \u003cb\u003e#4-40\u003c\/b\u003e machine screws for fixed spacing in multi-layer electronic assemblies without additional hardware.\u003c\/li\u003e\n\u003cli\u003eAluminum construction reduces overall weight in aerospace and telecommunications racks while maintaining structural rigidity under continuous operational loads.\u003c\/li\u003e\n\u003cli\u003ePlain surface allows subsequent anodizing or coating application in custom industrial fabrication where corrosion resistance requirements vary by environment.\u003c\/li\u003e\n\u003cli\u003eConsistent thread engagement length ensures repeatable torque values during installation in high-volume production lines for process control equipment.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e","brand":"Mutual Screw","offers":[{"title":"Default Title","offer_id":52883579273495,"sku":"FC1639-440-A","price":48.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0836\/1125\/5063\/files\/Group_24.webp?v=1776901996","url":"https:\/\/mutualscrew.com\/products\/female-female-standoffs-3-16-od-x-5-8-4-40-aluminum-plain_fc1639-440-a","provider":"Mutual Screw \u0026 Supply","version":"1.0","type":"link"}