A thin flat piece of metallic, plastic, or similar material having one or more edges used as a guide for drawing curves, all portions of which are not subject to the same mathematical formula.
Classification: Drawing, marking-out or mathematical calculating instruments, nesoi
NSN 6645-01-490-5948
NSN 5990-01-201-1698
NSN 6240-00-698-5822
NSN 5930-01-591-0269
NSN 6620-00-292-7000
NSN 6650-00-891-9850
NSN 5998-00-155-7737
NSN 6240-01-187-1765
NSN 5855-00-110-9341
NSN 5999-01-552-8135
NSN 5935-00-647-1399
NSN 5895-01-209-2617