This motor only is the replacement exhaust motor for the following NuTone/Broan ventilation fan models 605RP, 668P, 668RP, VH668P, 9905, J238-062-6404 Shaft length 1.84 inches, Shaft diameter at the flat is 0.187 Counter-clockwise rotation (CCW), looking at the shaft. 120 volts, 60hz, 0.98 A This Kitchen Basics 101 part by SupplyEdge is UL/CSA approved to assure safe operation and long life and comes with a 1 year, no questions asked, no hassle warr anty.