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 4140-01-163-1557
NSN 5945-00-469-2251
NSN 4140-01-313-3733
NSN 5925-00-559-7527
NSN 5905-01-048-2093
NSN 5999-00-401-6788
NSN 5990-01-476-0722
NSN 5905-01-510-1977
NSN 5930-01-357-8240
NSN 6130-00-283-4329
NSN 6150-01-157-8726
NSN 5999-01-562-6729