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 4140-00-076-4088
NSN 6645-00-935-7046
NSN 6150-00-803-4647
NSN 5999-00-180-2808
NSN 5910-01-626-4351
NSN 6650-01-173-1952
NSN 6150-01-093-6301
NSN 5998-01-358-4113
NSN 6110-01-559-2092
NSN 6150-01-653-3879
NSN 5998-01-328-3999
NSN 6610-00-960-9135