2.440 IN. OD; 2.470 IN. NOMINAL FREE LG; 1.000 IN.MAX LG OF TRAVEL; 1.475 IN. ROOT DIA; 13 CONVOLUTIONS; JOINTS BRAZED AT TOP AND BOTTOM; 3.497 IN. MAX DIA AT TOP JOINT; 0.380 IN. HEIGHT OF TOP JOINT; 0.560 IN. HEIGHT OF BOTTOM JOINT; 2.560 IN. LG OF STEM THRU BELLOWS; 0.250-28 UNF-2A THDS TYPICAL AT BOTH ENDS OF STEM