| GENERAL CHARACTERISTICS ITEM DESCRIPTION | ALUMINUM 6061-T6,TEMPER T6 PER ASTM STD B211; FINISH: ANODIZE TYPE II,CLASS 2,BLACK PER MIL-A-8625; 1.669 IN. MIN 1.673 IN. MAX OD; 0.750 IN. LG,TOOTH DATA: PITCH 0.125; PITCH DIA 1.631; NUMBER OF GROOVES 41; TOOTH PROFILE 50 DEG; SHAFT: CRES BAR,CLASS 303,COND A,COLD FINISH PER QQ-S-764; 11700 IN. LG,0.2495 IN. MIN 0.2497 IN. MAX DIA; SHAFT IS PINNED TO PULLEY BY 2 SET SCREWS 0.062 IN. DIA,0.1120-40 UNC-2B THDS; BORE IS 0.2500 IN. MIN 0.2510 IN. MAX DIA |