{"product_id":"4190-01-bently-nevada-adapter-304-stainless-steel-junction-box-fitting","title":"4190-01 Bently Nevada Adapter | 304 Stainless Steel Junction Box Fitting","description":"\u003ch3\u003e\u003cstrong\u003e4190-01 | Mechanical Connection Adapter for Bently Nevada Systems\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp\u003eThe \u003cstrong\u003e\u003cspan style=\"color: #0000cd;\"\u003e4190-01\u003c\/span\u003e\u003c\/strong\u003e is an optional mechanical adapter designed for Bently Nevada machinery monitoring installations. It provides a threaded connection between a junction box and the machine case.\u003c\/p\u003e\n\u003cp\u003eIts stepped NPT thread configuration accommodates different connection interfaces. The adapter features a \u003cstrong\u003e1\/4-18 NPT internal thread\u003c\/strong\u003e and a \u003cstrong\u003e1\/2-14 NPT external thread\u003c\/strong\u003e. This arrangement supports mechanical integration within compatible monitoring assemblies.\u003c\/p\u003e\n\u003cp\u003eIn certain installation configurations, the \u003cstrong\u003e4190-01 adapter\u003c\/strong\u003e also provides a mounting interface for a proximity probe. Its 304 stainless steel construction offers mechanical durability for industrial equipment installations.\u003c\/p\u003e\n\u003ch3\u003e\u003cstrong\u003eMechanical Interface at a Glance\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp\u003eThe adapter serves as a mechanical transition component rather than an electronic signal-processing device. Its primary function involves mounting, threaded connection, and installation compatibility.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eJunction Box Connection:\u003c\/strong\u003e Attaches a junction box to the machine case.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eThread Conversion:\u003c\/strong\u003e Connects components with different NPT thread sizes.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eProbe Mounting:\u003c\/strong\u003e Supports proximity probe mounting in certain configurations.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eStructural Material:\u003c\/strong\u003e Uses 304 stainless steel for industrial mechanical applications.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCompact Design:\u003c\/strong\u003e Features a 38.1 mm overall length for space-conscious installations.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003e\u003cstrong\u003eDimensional and Thread Specifications\u003c\/strong\u003e\u003c\/h3\u003e\n\u003ctable\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eManufacturer\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eBently Nevada\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eModel Number\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cstrong\u003e4190-01\u003c\/strong\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eProduct Category\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eMechanical Adapter \/ Mounting Fitting\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eProduct Series\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eBently Nevada 4190 Adapter Family\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eInternal Diameter\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e9.53 mm (0.375 in)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eInternal Thread\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e1\/4-18 NPT\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eExternal Thread\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e1\/2-14 NPT\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eOverall Length\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e38.1 mm (1.50 in)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eMaterial\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e304 Stainless Steel\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003ePrimary Function\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eJunction box attachment to machine case\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eAdditional Function\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eProximity probe mounting in certain configurations\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch3\u003e\u003cstrong\u003eThread Geometry and Connection Design\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp\u003eThe \u003cstrong\u003e4190-01\u003c\/strong\u003e uses two different NPT thread interfaces to accommodate mechanical connection requirements.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eInternal Interface:\u003c\/strong\u003e 1\/4-18 NPT female thread.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eExternal Interface:\u003c\/strong\u003e 1\/2-14 NPT male thread.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePassage Diameter:\u003c\/strong\u003e 9.53 mm internal diameter.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAxial Dimension:\u003c\/strong\u003e 38.1 mm overall length.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eEngineers should verify thread compatibility before installation. NPT connections require correct engagement and suitable sealing practices. Do not assume compatibility with BSPT, BSPP, or metric threads.\u003c\/p\u003e\n\u003ch3\u003e\u003cstrong\u003e304 Stainless Steel and Industrial Durability\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp\u003eThe adapter uses \u003cstrong\u003e304 stainless steel\u003c\/strong\u003e for its mechanical body. This material provides useful corrosion resistance in many industrial environments.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eSuitable for general industrial mounting applications.\u003c\/li\u003e\n\u003cli\u003eProvides a durable threaded connection interface.\u003c\/li\u003e\n\u003cli\u003eSupports routine installation and maintenance activities.\u003c\/li\u003e\n\u003cli\u003eOffers corrosion resistance in many non-aggressive environments.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eEvaluate chemical exposure, temperature, vibration, and surrounding materials before selecting the adapter. More aggressive environments may require a different material specification.\u003c\/p\u003e\n\u003ch3\u003e\u003cstrong\u003eInstallation Engineering and Fitment Verification\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp\u003eCorrect thread engagement and mechanical alignment help maintain a stable installation. Follow the equipment manufacturer's installation procedures.\u003c\/p\u003e\n\u003col\u003e\n\u003cli\u003e\n\u003cstrong\u003eInspect the Interfaces:\u003c\/strong\u003e Check both NPT threads for damage or contamination.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eVerify Thread Sizes:\u003c\/strong\u003e Match the internal and external connections with the installation drawings.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCheck Dimensions:\u003c\/strong\u003e Confirm the 9.53 mm internal diameter and 38.1 mm overall length.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePrepare the Mounting Point:\u003c\/strong\u003e Inspect the machine case or junction box connection.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eInstall the Adapter:\u003c\/strong\u003e Use suitable NPT engagement and approved sealing practices.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eVerify Alignment:\u003c\/strong\u003e Check the connected junction box or probe mounting position.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eInspect the Assembly:\u003c\/strong\u003e Confirm mechanical stability before commissioning.\u003c\/li\u003e\n\u003c\/ol\u003e\n\u003cp\u003e\u003cstrong\u003eImportant:\u003c\/strong\u003e Avoid excessive tightening torque. Incorrect installation can damage threads or affect component alignment.\u003c\/p\u003e\n\u003ch3\u003e\u003cstrong\u003eApplication in Machinery Protection Systems\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp\u003eThe \u003cstrong\u003eBently Nevada 4190-01\u003c\/strong\u003e supports mechanical installation requirements in rotating machinery monitoring applications.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eIndustrial Turbines:\u003c\/strong\u003e Provides a mounting connection for compatible monitoring assemblies.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCompressors:\u003c\/strong\u003e Supports junction box attachment near machinery monitoring points.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePumps:\u003c\/strong\u003e Accommodates suitable mechanical interfaces for monitoring installations.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePower Generation:\u003c\/strong\u003e Supports auxiliary mounting arrangements within machinery protection systems.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOil and Gas:\u003c\/strong\u003e Provides a threaded mechanical connection for compatible field installations.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eIts role is mechanical. The adapter does not independently measure vibration, shaft displacement, or rotational speed.\u003c\/p\u003e\n\u003ch3\u003e\u003cstrong\u003eCompatibility and Replacement Considerations\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp\u003eBefore selecting a replacement, compare the complete mechanical interface rather than relying on the product name alone.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eConfirm the 1\/4-18 NPT internal thread.\u003c\/li\u003e\n\u003cli\u003eConfirm the 1\/2-14 NPT external thread.\u003c\/li\u003e\n\u003cli\u003eVerify the 9.53 mm internal diameter.\u003c\/li\u003e\n\u003cli\u003eCheck the 38.1 mm overall length.\u003c\/li\u003e\n\u003cli\u003eConfirm the 304 stainless steel material requirement.\u003c\/li\u003e\n\u003cli\u003eReview the junction box and machine case connection drawings.\u003c\/li\u003e\n\u003cli\u003eCheck proximity probe mounting requirements when applicable.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eBently Nevada offers different adapter threads and configurations. Other configurations may be available upon request. Confirm the exact part number before ordering.\u003c\/p\u003e\n\u003ch3\u003e\u003cstrong\u003eField Inspection and Maintenance Recommendations\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp\u003eAlthough the adapter contains no electronic components, its mechanical condition affects installation reliability.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eInspect threads for wear, deformation, and corrosion.\u003c\/li\u003e\n\u003cli\u003eCheck for loose connections during scheduled maintenance.\u003c\/li\u003e\n\u003cli\u003eRemove dirt and foreign material from threaded interfaces.\u003c\/li\u003e\n\u003cli\u003eInspect the mounting assembly for signs of vibration-related movement.\u003c\/li\u003e\n\u003cli\u003eReplace components with damaged or incompatible threads.\u003c\/li\u003e\n\u003cli\u003eVerify probe alignment after mechanical adjustments.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003e\u003cstrong\u003ePackaging and Supply Information\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e1 × \u003cstrong\u003eBently Nevada 4190-01 Adapter\u003c\/strong\u003e, according to the confirmed order.\u003c\/li\u003e\n\u003cli\u003eProduct identification and applicable supply documentation, subject to order configuration.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eJunction boxes, proximity probes, mounting hardware, and additional connection accessories are not confirmed as standard package inclusions. Please verify the supply scope before purchasing.\u003c\/p\u003e\n\u003ch3\u003e\u003cstrong\u003eFrequently Asked Questions\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eQ1: Can the 4190-01 adapter correct a misalignment between a probe and its mounting point?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eThe adapter provides a mechanical connection, not an alignment correction mechanism. Engineers should verify the mounting geometry before installation. Correct probe positioning remains essential for reliable proximity measurements.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ2: What problems can occur when technicians mix NPT and BSP threads?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eDifferent thread profiles can cause incomplete engagement and unreliable sealing. Forced installation may damage the mating threads. Always verify the thread standard and size before assembly.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ3: How should engineers assess whether the adapter suits a vibrating machine enclosure?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eInspect the mounting arrangement, thread engagement, and surrounding mechanical support. Consider vibration exposure and the connected component's mass. Follow the machine manufacturer's approved mounting requirements.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ4: Does replacing the adapter require recalibration of a proximity monitoring channel?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eNot necessarily. A purely mechanical replacement does not automatically change the electrical calibration. However, any change to probe position, installed gap, or mounting geometry requires verification of the probe gap and monitoring channel readings.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ5: What information helps identify an unlisted 4190 adapter configuration?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eProvide the internal and external thread specifications, required dimensions, material, and intended mounting application. Photographs and equipment connection drawings can also help identify the correct configuration. Contact the supplier when the required thread combination does not match the standard datasheet.\u003cstrong\u003e\u003c\/strong\u003e\u003c\/p\u003e","brand":"Bently Nevada","offers":[{"title":"Default Title","offer_id":68045883900086,"sku":"4190-01","price":110.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0722\/7863\/8774\/files\/4190_7fee8b20-4eb2-4453-a91f-323fadaee675.jpg?v=1794454085","url":"https:\/\/www.plcsparehub.com\/products\/4190-01-bently-nevada-adapter-304-stainless-steel-junction-box-fitting","provider":"Global PLC Spare Hub","version":"1.0","type":"link"}