"STEEL MIL-S-5626 COMP 4140 COND D,CADMIUM PLATE PS13045TY 2 CL 1,1.1206 IN. MIN TO 1.1230 IN. MAX O/A DIA,1.227 IN. MINTO 12.30 IN. MAX O/A H,MACHINED SURFACES 125.0 MICROINCH FINISH,HEAT TREAT 180000 TO 200000 PS15027,1/4-28 UNF-3A THD 0.260 IN. LG"