"29.90 IN. LG,0.218 OD CASING,0.250 IN. MIN,0.260 IN. MAX OD FLANGE,0.204 ID FLANGE,20 DEGREE 0 MINUTES PLUS OR MINUS 0 DEGREE 30 MINUTES ANGLE OF FLANGE,POLYTETRAFLUOROETHYLENE LINER,45 DEGREES PLUS OR MINUS 5 DEGREES BY WALL THK POLYTETRAFLUOROETHYLENE,0.25 IN. FROM LINER TO END OF FLANGE,0.125 ID OF LINER"