0.406" hole diameter 16.500" outside diameter 12 bolt hole quantity 3 additional bolt holes 0.406 in. dia equally spaced on same bolt circle as otherholes, centered between other holes; contains non-asbestos material circular
0.281" hole diameter 10.375" overall length 3.750" overall width 10 bolt hole quantity aperture is divided into 2 parts by 1.000 in strip of asbestos located 2.000 in. from 1 end of aperture air compressor; contains non-asbestos material non-circular
0.531" hole diameter 4.625" overall length 4.125" overall width contains non-asbestos material; basic gasket shape triangular, bolt hole spacing on width 3.188 inch c to c, on length 3.625 inch
