AM-413450 item 14 - Sprocket

This National Acme replacement sprocket part number AM-40161 is not included with Drive Unit Assembly AM-413450, but is required.  Your machine may already be equipped with this sprocket.   View any of the following layout assembly drawings of the complete multispindle attachment for reference.  This replacement part may be used in attachment assemblies that fit numerous size Acme Gridley multi spindle screw machines and/or positions.

Acme Gridley 1-1/4" RB-8 High Speed Drilling Attachment