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 5975-01-625-1004
NSN 5965-01-117-0443
NSN 6610-00-492-9872
NSN 5960-01-489-1510
NSN 6650-01-003-9355
NSN 6610-01-088-5871
NSN 6685-00-596-8765
NSN 5835-01-104-4520
NSN 5855-01-258-6180
NSN 6145-01-290-1037
NSN 5910-00-218-1114
NSN 5996-01-264-8374