{"product_id":"bell-gossett-52-128-641-002-series-ehsc-hsc-s-shaft-nut","title":"Bell \u0026 Gossett 52-128-641-002 Series eHSC\/HSC-S Shaft Nut","description":"\u003cp\u003eThis essential component provides the secure fastening required for the high-performance operation of your centrifugal pumping system. The \u003cstrong\u003e52-128-641-002\u003c\/strong\u003e shaft nut is engineered specifically for use with \u003cstrong\u003eBell \u0026amp; Gossett Series eHSC and HSC-S\u003c\/strong\u003e pumps, ensuring proper seating and alignment of critical rotating assemblies during operation.\u003c\/p\u003e\u003cp\u003eBy maintaining proper tension and stability on the pump shaft, this nut supports the overall mechanical integrity of the internal assembly. It is a critical component for maintaining the efficiency of the e-HSC design, which utilizes internally self-flushing mechanical seals to promote maximum seal life, effective heat dissipation, and debris removal without the need for external flush lines.\u003c\/p\u003e\u003ch4\u003eKey System Performance Baselines:\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003ePrecision Engineering:\u003c\/strong\u003e Designed for exact compatibility with Series eHSC\/HSC-S pump shafts.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eStructural Integrity:\u003c\/strong\u003e Maintains proper alignment and torque for rotational components.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSystem Longevity:\u003c\/strong\u003e Helps preserve the reliability of the internal self-flushing seal environment.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOEM Specification:\u003c\/strong\u003e Genuine Bell \u0026amp; Gossett replacement part for guaranteed fitment.\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e⚠️ \u003cstrong\u003eApplication Profile:\u003c\/strong\u003e Use this shaft nut exclusively for maintenance and repair of Bell \u0026amp; Gossett Series eHSC and HSC-S horizontal split case pumps. Ideal for commercial HVAC, industrial fluid processing, and municipal water applications where system downtime must be minimized.\u003c\/p\u003e","brand":"Bell \u0026 Gossett","offers":[{"title":"Default Title","offer_id":43131252342878,"sku":"52-128-641-002","price":1565.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0663\/7151\/8558\/files\/52_128_641_002_image_dc3db5c3-acc0-4a31-8b59-12f3deb45c2f.jpg?v=1786092405","url":"https:\/\/nationalboilersupply.com\/products\/bell-gossett-52-128-641-002-series-ehsc-hsc-s-shaft-nut","provider":"National Boiler Supply","version":"1.0","type":"link"}