Used on c130j aircraft. 0.287" hole diameter 5.650" outside diameter 12 bolt hole quantity gasket-oil tank filler for use with mil-l-7808 & esso WS2463 synthetic oils circular
0.688" hole diameter 18.000" outside diameter 8 bolt hole quantity made from 3 ply fabreeka with inner edge of gasket cut to allow for 0.188 inch 90 degree bend at inside diameter circular