asbestos; solid cross sec. 0.031 in. nom thk; B24 circular style 4.125 in. nom aperture dia. 5.594 in. mon. 5.625 in max os dia. 5.062 in. nom bolt circle dia. 4.0.156 in. nom. bolt holes
0.279" hole diameter 2.300" outside diameter adpw, four corners, center corrugation, 2.000 in. dia to center line ofcorrugation, 120 deg bolt hole corrugation, 0.210 in. radius center hole to bolt corrugation
0.217" hole diameter center corrugation, 1.000 in. dia to center line of corrugation, 120 deg bolt hole corrugation, 0.180 in. radius bolt hole center to center line of corrugation