I-beam type
An instrument used to establish the horizontal or vettical plane. It consists of a body of wood, metal or bakelite with one or more level vials and one or more plumb vials.
Classification: Handtools (including glass cutters) and parts thereof, nesoi, of basemetal
NSN 5915-01-469-2136
NSN 5905-01-352-1918
NSN 5998-01-363-9935
NSN 5965-01-279-1075
NSN 2925-00-065-9986
NSN 2925-01-364-7926
NSN 5950-00-707-6100
NSN 5935-01-075-4921
NSN 5920-01-048-0766
NSN 5975-01-431-1399
NSN 6620-00-317-7820
NSN 5950-01-505-0545