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 5945-01-303-1408
NSN 4140-00-272-0943
NSN 2925-01-472-4144
NSN 6220-00-841-1275
NSN 2925-01-353-3928
NSN 4140-00-142-2491
NSN 6685-01-322-2799
NSN 6220-01-344-3190
NSN 5935-00-491-7256
NSN 6105-00-479-3830
NSN 4140-01-004-6462
NSN 7035-00-206-6123