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 5996-01-027-0392
NSN 5920-01-021-5198
NSN 5999-00-433-0450
NSN 6150-01-613-8839
NSN 5855-01-143-5468
NSN 5855-01-549-1507
NSN 5990-01-127-4853
NSN 5945-01-056-5540
NSN 5935-01-227-4040
NSN 6685-01-585-3413
NSN 6105-00-826-3432
NSN 6685-00-069-8578