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 6135-01-151-2705
NSN 6135-00-170-8819
NSN 6610-01-540-7379
NSN 6240-00-629-9810
NSN 5975-01-020-7869
NSN 5935-01-422-8184
NSN 5945-00-897-5788
NSN 5910-00-100-1496
NSN 6650-01-022-5181
NSN 6685-01-302-2862
NSN 5945-01-462-1555
NSN 5935-01-511-8753