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 5950-00-630-7996
NSN 6610-01-137-5959
NSN 5930-01-127-1341
NSN 5910-01-604-8906
NSN 7035-01-442-2634
NSN 5920-01-250-3473
NSN 6650-01-332-3799
NSN 5990-00-179-2576
NSN 5905-01-484-5168
NSN 4140-00-497-3416
NSN 6110-01-202-8009
NSN 6110-01-447-2194