Flygt 6313700 is an OEM reference for a mechanical shaft seal. The listed Flygt pump applications include 2250, 2290, 3200, 3170, 3201, 4670, 4680, 7045, 2400, 2610 and 2620. The Flygt Basic Repair Kits cross-reference also lists this OEM number as the primary/inner seal for pump 3202.090. The corresponding KE MOTION HYDRO product reference is NV FLC.