"STAINLESS STEEL,TYPE 316;PROOF PRESSURE 1 1/2 TIMES OPERATING PRESSURE;BURST PRESSURE 4 TIMES OPERATING PRESSURE,MINIMUM;THE MFR:S NAME OR TRADEMARK AND KSC PART NO. SHALL APPEAR PERMANENTLY AND LEGIBLY UPON THE COMPONENT;79K80248;OPERATING PRESSURE 6000 POUNDS;TUBE WALL THICKNESS 0.035 IN.;TUBE OUTSIDE DIA 1/4 IN."