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 6150-01-310-2982
NSN 5990-01-314-2264
NSN 5930-00-222-7930
NSN 5835-01-495-0595
NSN 5975-01-521-2431
NSN 4140-00-411-6848
NSN 5965-01-406-6320
NSN 5998-01-406-1492
NSN 2925-00-640-8611
NSN 5835-00-711-3371
NSN 5930-01-264-2537
NSN 5835-01-158-6878