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Boston 30217071 12442 PA726Y-P DIAMETRAL PITCH: 6 D.P. TEETH: 21 PRESSURE ANGLE: 20 DEGREE

Boston 30217110 12520 PA7536Y-G DIAMETRAL PITCH: 6 D.P. TEETH: 45 PRESSURE ANGLE: 20 DEGREE

Boston 30217111 12522 PA7536Y-P DIAMETRAL PITCH: 6 D.P. TEETH: 15 PRESSURE ANGLE: 20 DEGREE

Boston 30217074 12448 PA826Y-G DIAMETRAL PITCH: 6 D.P. TEETH: 48 PRESSURE ANGLE: 20 DEGREE

Boston 30217075 12450 PA826Y-P DIAMETRAL PITCH: 6 D.P. TEETH: 24 PRESSURE ANGLE: 20 DEGREE

Boston 30217076 12452 PA848Y-G DIAMETRAL PITCH: 8 D.P. TEETH: 64 PRESSURE ANGLE: 20 DEGREE

Boston 30217079 12458 PA935Y-P DIAMETRAL PITCH: 5 D.P. TEETH: 15 PRESSURE ANGLE: 20 DEGREE

Boston 30217080 12460 PA948Y-G DIAMETRAL PITCH: 8 D.P. TEETH: 72 PRESSURE ANGLE: 20 DEGREE

Boston 30217081 12462 PA948Y-P DIAMETRAL PITCH: 8 D.P. TEETH: 18 PRESSURE ANGLE: 20 DEGREE