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 5965-01-541-0879
NSN 5945-00-847-9837
NSN 5990-00-462-9112
NSN 6135-01-659-7653
NSN 5965-01-305-2858
NSN 5910-01-441-9868
NSN 5925-01-399-5305
NSN 5905-00-270-4331
NSN 6685-01-495-2013
NSN 5950-00-290-8090
NSN 6240-01-260-3597
NSN 5996-00-438-3154