The Frigidaire 316136600 fan blade retainer nut secures the oven fan blade for stable airflow, reduced vibration, and consistent heat circulation. Designed as a replacement part for compatible range models, it fastens the fan blade to the motor shaft, keeping the blade securely positioned as the convection fan rotates. A loose or damaged retainer nut can affect airflow and cooking con... https://www.partsmelange.ca/frigidaire-316136600-fan-blade-retainer-nut-for-range