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 6145-01-494-0158
NSN 5998-01-080-4606
NSN 6130-01-323-6025
NSN 6150-00-848-0359
NSN 5935-00-597-3503
NSN 7035-00-574-4223
NSN 6150-01-361-8133
NSN 5925-00-913-9784
NSN 6150-01-517-2254
NSN 6135-01-444-6824
NSN 4140-00-287-5476
NSN 5999-01-401-5322