P100 Series – Plain End
To determine your part number. See the example in the bottom left side of the graphic. Start by selecting desired diameter for your pinion, example P101 series represents 1.500 diameter pinion. Next is the uncut length “C”, in this example it is 2.00, then the overall length of 12.00. Next is your desired pressure angle, select 14 1/2 or 20, in this example 14 1/2 was chosen.