{"product_id":"bell-gossett-52-116-626-003-series-ehsc-hsc-s-shaft-nut","title":"Bell \u0026 Gossett 52-116-626-003 Series eHSC\/HSC-S Shaft Nut","description":"\u003cp\u003eEnsure the integrity and precise alignment of your pump assembly with the \u003cstrong\u003e52-116-626-003\u003c\/strong\u003e shaft nut, engineered specifically for the \u003cstrong\u003eBell \u0026amp; Gossett Series eHSC\/HSC-S\u003c\/strong\u003e pump line. This critical component provides the necessary mechanical fastening required to keep impellers securely seated, preventing vibration and ensuring smooth operation under high-load hydraulic conditions.\u003c\/p\u003e\u003cp\u003eThe Bell \u0026amp; Gossett e-HSC design leverages internally self-flushing mechanical seals to maximize system longevity. By utilizing this genuine shaft nut, maintenance technicians can maintain the factory-specified tolerances required to support these self-flushing mechanisms, effectively eliminating the need for external, clog-prone flush lines while protecting the seal environment from debris accumulation.\u003c\/p\u003e\u003ch4\u003eKey System Performance Baselines:\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003ePrecision Fastening:\u003c\/strong\u003e Maintains exact impeller seating for balanced hydraulic flow.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOEM Compatibility:\u003c\/strong\u003e Guaranteed fit for Bell \u0026amp; Gossett eHSC and HSC-S pump architectures.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eStructural Integrity:\u003c\/strong\u003e Constructed to resist vibrational loosening during continuous-duty pump cycles.\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e⚠️ \u003cstrong\u003eApplication Profile:\u003c\/strong\u003e Essential for routine overhauls, mechanical seal replacements, and impeller maintenance in commercial HVAC hydronic systems and industrial fluid transfer pump stations.\u003c\/p\u003e","brand":"Bell \u0026 Gossett","offers":[{"title":"Default Title","offer_id":43130068140126,"sku":"52-116-626-003","price":1161.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0663\/7151\/8558\/files\/52_116_626_003_image_7cbbcf74-f494-45e0-a57b-cdc650bdaf1a.jpg?v=1786088395","url":"https:\/\/nationalboilersupply.com\/products\/bell-gossett-52-116-626-003-series-ehsc-hsc-s-shaft-nut","provider":"National Boiler Supply","version":"1.0","type":"link"}