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 5920-00-317-2219
NSN 5930-00-733-0050
NSN 5920-01-027-0660
NSN 5975-01-020-9860
NSN 6135-00-628-1142
NSN 5998-00-174-5034
NSN 5925-01-503-0394
NSN 6685-00-809-4710
NSN 5915-00-551-8677
NSN 5930-00-522-4248
NSN 5910-01-029-4709
NSN 7035-00-295-0451