Part No. DescriptionA m t .Req.Ref.N o .4530.†-31.32.33.33A.34.35.36.37.38.39.40.41.42.43.44.45.46.47.48.49.50.51.52.63939P63939E2258022569C6392863928A61414E22653K-62287563939N63982B660-2196394163941A22637R-9663939B51239E2258063939S63939F22569C63939J22650AA-222517B63982DLower Feed Roller, 24 teeth ..........................................................................Lower Feed Roller, medium diamond knurl ..................................................Set Screw ...............................................................................................Screw ...........................................................................................................Throat Plate ..................................................................................................Needle Hole Insert, .080 inch dia. needle hole .......................................Bobbin Case Holder Positioning Finger ........................................................Screw ...........................................................................................................Screw ...........................................................................................................Lower Feed Roller Stripper ............................................................................Hook Housing Cover, for Styles 63900M, T .....................................................Roll Pin, for Styles 63900M, T ..........................................................................Hook Shaft Bushing Housing .........................................................................Hook Shaft Bushing ................................................................................Screw ...........................................................................................................Lower Feed Roller Drive Shaft .......................................................................Lower Feed Roller Driven Gear .....................................................................Set Screw ...............................................................................................Lower Feed Drive Shaft Housing ...................................................................Clamp Plate .................................................................................................Screw ...........................................................................................................Top Feed Roller Flexible Drive Shaft ..............................................................Allen Set Screw, standard No. 8-32 national coarse thread, 1/8 inch long ...........Screw ...........................................................................................................Feed Drive Gear Cover ................................................................................FEED ROLLER DRIVING PARTS (CONT.)1. thru 29. see preceding page.† Available as extra send and charge item.1112111121111131121141411