Historical
IAPMO PS 117-2005
PROPERTY STANDARD FOR PRESS TYPE OR PLAIN END RUBBER GASKETED WITH NAIL CONNECTION COPPER AND COPPER ALLOY FITTINGS FOR INSTALLATION ON COPPER TUBING
This standard covers minimum standards for materials in the construction of press type or plain end rubber gasketed with nail connection copper and copper alloy fittings, and to prescribe minimum test requirements for the performance of press type or plain end rubber gasketed with nail connection copper and copper alloy fittings joints, together with methods of marking and identification.
International Association of Plumbing and Mechanical Officials [iapmo]