"STEEL ANGLE,5 BY 3-1/2 BY 1/2 IN.,9 IN. LG,W/TWO 1-13/16 IN. DIAHOLES IN ONE LEG FOR A6B BOLT CONNECTION AND A 1-5/16 IN. DIA HOLE IN THEOTHER LEG FOR PREVENTER LINE ATTACHMENT,NAVFAC DWG 816468,MK NO. DS14USED TO CONNECT AND HOLD STABILIZER TOWER PONTOONS IN STACKED FORMATION ONPONTOON DRYDOCKS"