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 5855-00-548-4742
NSN 5920-01-599-5458
NSN 5998-00-808-8116
NSN 6620-00-905-6590
NSN 5998-00-177-1242
NSN 6130-01-167-2990
NSN 6130-01-634-0603
NSN 5975-01-127-5988
NSN 6105-00-510-2514
NSN 5985-01-497-2030
NSN 5975-01-146-4012
NSN 6135-01-116-3385