MOUNTING SLOT WIDTH: 0.125 IN. NOMINAL; BORE LENGTH: 1.625 IN. NOMINAL; FORK WIDTH: 5.313 IN. NOMINAL; SECURING HOLE SIZE: 0.313 IN. NOMINAL; DISTANCE FROM MOUNTING FACILITY CENTERLINE TO ARCH CENTERLINE: 4.000 IN. NOMINAL; FORK END OPENING WIDTH: 0.750 IN. NOMINAL; FORK END OPENING HEIGHT: 1.000 IN. NOMINAL