Hobart Black Thumb Screw for N50 Part # 00-016951-00004 - OEM NEW
 
Genuine Hobart OEM Part - Brand New in Hobart Packing  

This thumb screw works on the Hobart Model N50 as well as KitchenAid Model G, Hobart C-10 and Hobart C-100 mixers.  If you are unsure of fit, ask for dimensions prior to purchase.