Flygt 3706602 is an OEM reference for a mechanical shaft seal. The supplied Flygt reference associates this OEM number with pump models 3312/7×5/8×5/9×5, 3501/7×5/8×5/9×5, 3531/7×5/8×5/9×5, 3602/7×5/8×5/9×5, 7570/7×5/8×5/9×5, 7115/8×5/9×5, 7585/8×5/9×5 and 7600/8×5/9×5. The corresponding KE MOTION HYDRO product reference is NV FL.