Used on e-3 aircraft. seal, pressure molded rubber item is cone shaped with 1.66 in. od tapered .64 in. to 1.46 in od solid: two 0.37 diameter cut through holes
Used on 6 x 8 inch class slv pump. 1.875" center hole diameter emergency packing emergency packing to be installed only in case of seal failure or excessive seal leakage