"STEEL HANGER,1/2 IN. DIA ROD,9 IN. LG,1/2-13 UNC THD,4 IN. LG,2HEX NUTS,2 FLAT WASHERS,BOLTED AT TOP,PIPE RING SUPPORTS 1-1/4 IN. STEELPIPE,DESIGNED FOR WELDING TO ASSEMBLY ANGLES BETWEEN PONTOONS,USED TORETAIN AIR LINES ON PONTOON DRYDOCKS,NAVFAC DWG 816467,MK NO. PH1"