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 5950-01-261-6782
NSN 6135-01-500-0572
NSN 6135-01-633-8502
NSN 5915-01-435-2549
NSN 7035-01-052-3815
NSN 5975-01-069-4689
NSN 6220-00-251-5600
NSN 6650-01-364-8504
NSN 5960-01-421-0887
NSN 6130-00-477-2330
NSN 5895-01-067-7957
NSN 5915-00-893-4808