A-A-52302 Gasket, Split Integral, For Inland Petroleum Distribution System (Ipds) Snap-Joint CouplingThis item description covers a synthetic rubber gasket for use with the 6-inch IPDS snap-joint coupling. Two identical halves of this gasket are made to be a part of the coupling by manually pushing the protruding buttons into the holes provided in the coupling by hand. The gasket is intended for use with petroleum fuels.