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 5950-00-552-9825
NSN 5950-00-332-8766
NSN 5990-00-099-0822
NSN 7035-01-027-1718
NSN 6610-01-576-8379
NSN 5945-00-525-2082
NSN 6650-00-393-0447
NSN 5985-00-411-1704
NSN 6620-00-967-9684
NSN 5945-00-244-5835
NSN 5990-01-310-0884
NSN 6105-01-120-4285