Martin M 3 15/16 Standard QD Bushing, 3-15/16 in Dia Bore, 6-1/2 in Dia Barrel, 9 in Dia Flange, 6-3/4 in OAL, Cast Iron

Martin QD Bushing, Standard, 3-15/16 in Bore Dia, 6-1/2 in Barrel Dia, 11.38 in Hub Dia, 7-7/8 in Bolt Circle, 9 in Flange Dia, 1-1/4 in Flange Thickness, 4 Bolt Holes, 3/4-10 x 6-3/4 in Screw, 85000 in-lb, 6-3/4 in Overall Length, 1/2 x 1 in Keyway, Cast Iron