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 6220-00-397-6910
NSN 5950-00-206-3213
NSN 5960-01-424-0590
NSN 5895-01-355-2963
NSN 5998-01-657-0639
NSN 6685-00-270-3276
NSN 5945-01-406-8086
NSN 6135-01-568-9107
NSN 5915-00-824-0196
NSN 6105-00-494-0846
NSN 5920-00-642-9908
NSN 5950-01-320-0955