A-B Rockwell Automation 800T-FX6BY. 800T PB, 30mm Push Pull Device, Maintained Mushroom Hd Pb, No Twist Release, 2 Position, Standard Mushroom Head, No Legend on Cap, Red, No Guards on Terminals, 1 NO 1 NC Stackable Sealed, 1 NO 1 NC Stackable Sealed, No Block in Position 3, No Block in Position 4