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 6135-00-161-0746
NSN 6240-00-101-9339
NSN 5895-01-323-5724
NSN 6645-01-409-2003
NSN 6110-01-163-7692
NSN 5915-00-904-3713
NSN 6220-00-378-1484
NSN 5998-00-529-2551
NSN 6240-01-503-4550
NSN 5950-01-029-3613
NSN 5910-00-243-8102
NSN 7035-01-139-5707