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 5895-01-095-5312
NSN 5975-01-182-1087
NSN 4140-00-169-3549
NSN 5930-01-215-1168
NSN 5998-01-612-1379
NSN 6135-00-299-6918
NSN 6130-00-215-0661
NSN 5999-01-579-5536
NSN 6620-01-274-3423
NSN 5835-00-920-7325
NSN 6620-01-494-9858
NSN 6145-01-524-8495