| GENERAL CHARACTERISTICS ITEM DESCRIPTION | STEEL ALLOY,SAE 8620H OR 8720H,QQ-S-624;3.468 IN. LG;EXTERNAL HELICAL GEAR;INVOLUTE TOOTH;STUB TYPE;13 TEETH;6-7 DIAMETRAL PITCH;2.414 IN. PITCH DIA;17.5 DEG PRESSUURE ANGLE;EXTERNAL SPUR GEAR;INVOLUTE TOOTH;STUB TYPE;17 TEETH;7-9 DIAMETRAL PITCH;2.429 IN. PUTCH DIA; 20 DEG PRESSURE ANGLE |