| GENERAL CHARACTERISTICS ITEM DESCRIPTION | MATLSTEEL ALLOY,COMPOSITION 4140,4340,OR 8640 ASTM A322 OR A331 OPT.; EXTERNAL INVOLUTE SPLINE SPLINE DATA CLASS 2 FIT - FLAT ROOT SIDE FIT,NO. OF TEETH 57; DIA. PITCH 10/20; CIR- ULAR TOOTH THKNESS AT PITCH DIA. MAX. EFF 0.1553;MIN ACTUAL 0.1513;INTERNAL INVOLUTE SERRATION DATA FILLET ROOT SIDEFIT;NO. OF TEETH 69;DIAMETRAL PITCH 16/32; PRESSURE ANGLE 45 DEGREES;CIRCULAR SPACE WIDTH PITCH DIA. MAX ACT 0.1144;MIN EFF 0.1108 |