A precision instrument used to determine a horizontal plane in all directions on one setting. It is centrally located in relation to the periphery of the top of the item, for centering the bubble. The item may be mounted to a cylinder.
Classification: Drawing, marking-out or mathematical calculating instruments, nesoi
NSN 6610-01-038-2122
NSN 6110-01-084-6013
NSN 5915-01-025-0346
NSN 6650-00-044-1933
NSN 5985-01-400-5948
NSN 5998-00-171-8689
NSN 5835-00-148-9719
NSN 5835-01-044-2628
NSN 2925-01-318-8853
NSN 6650-01-488-6418
NSN 5920-01-601-3484
NSN 5975-01-207-9281