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The HARDT 6623 is a PTFE (polytetrafluoroethylene) replacement washer used in commercial food service and industrial equipment applications. PTFE construction gives this washer strong resistance to chemicals, heat, and mechanical wear, making it suitable for use in environments where standard rubber or fiber washers would degrade. Measuring 2.250 inches outer diameter by 1 inch inner diameter by 0.120 inches thick, the 6623 is a direct replacement for OEM reference 721572. Installation is typically performed by qualified service technicians during routine maintenance or component replacement procedures.
This washer is designed for use as a replacement part in HARDT equipment where OEM reference 721572 is specified. It fits applications requiring a PTFE sealing or bearing washer in the 2.250 x 1.000 x 0.120 inch dimension profile. Service technicians working on Hardt commercial equipment will recognize this part as a standard consumable replaced during scheduled service intervals or when wear or damage is observed during inspection.
Designed as a direct OEM-style replacement for HARDT equipment applications referencing part number 721572.
Power down and de-energize all equipment before disassembling any components to access the washer. This part is typically installed by a qualified service technician familiar with the host equipment. Inspect the mating surfaces for wear or damage before installing the new washer. Follow all applicable equipment manufacturer service documentation during reassembly.
We pulled together the parts most installs need for this unit, plus a few add-ons worth a look. Check what you need — nothing here blocks checkout.
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