Motor is manufactured by McMillian - Direct Replacement for Broan 97009317, F0516B2516 120volts, 4.3 amps, 1140RPM 5" Diameter Motor, Motor length less shaft 2 5/8" Shaft 1/2" x 3" with flat Rotation CW Shaft End Belly Band strap mounting, or 3 mounting studs on back, 4" on center Fits Broan Model: 341, 344, 345, 348, 355, 358 Attic Ventilators Fits Nautilus Model: N345, N355 Suggested replacement reference for: S970097317, 99080130, 99080210, 99080267, 99080239, A0516B2019, A0516B2158, A0516B2117, A0510B2221, F0516B2514, 322P138, F0516B4025. Dayton 1AAC6