A strip of wood, metal or flexible material having graduations on one or both flat surfaces, used with a surveying level to measure vertical distances between points on a vertical plane, and the line of sight of the level.
NSN 5925-01-491-2982
NSN 5998-01-012-0505
NSN 6150-01-341-5190
NSN 6110-01-090-0804
NSN 5905-01-212-9159
NSN 4140-00-753-6888
NSN 5965-01-534-2818
NSN 5965-00-281-0319
NSN 5935-01-103-4904
NSN 5895-01-374-5586
NSN 5910-01-200-8233
NSN 6110-00-385-2978