Cam and Groove Nominal Take-Up Lengths

Thread SizeDimension A
 1/2"0.97"
3/4" 0.97"
1"1.20"
1-1/4"1.44" 
1-1/2"1.50"
2"1.81"
2-1/2"1.82"
3"1.78"
4"1.84"
5"2.00"
6" 2.13"
8" 2.06"
8" 3.22"
Cam and Groove Nominal Take-Up Lengths