"COMPRISED OF: BUSHING,SLEEVE AND SPACER,SLEEVE. BUSHING,SLEEVE-MANGANESE BRONZE,QQ-B-728,CLASS B,COND H. SPACER SLEEVE,ALUMINUM ALLOY,QQ-A-225/9,ALLOY 7075,T651; 1.630 IN. L,2.500 IN. O.D.,3.000 FLANGE O.D.,0.100 IN. FLANGE THICKNESS,AND 1.500 IN. I.D."