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 6150-00-683-0621
NSN 5905-00-293-2563
NSN 5998-01-100-0910
NSN 5835-00-275-0584
NSN 5935-01-422-1700
NSN 6105-01-634-0322
NSN 6150-00-403-1842
NSN 6150-01-025-6305
NSN 5910-01-327-2720
NSN 7035-00-991-6877
NSN 5935-01-372-2180
NSN 5945-01-500-1904