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 5965-01-565-8240
NSN 6150-00-893-5770
NSN 5930-00-494-7776
NSN 6610-00-051-4139
NSN 6110-01-358-5165
NSN 6135-00-932-3136
NSN 5915-00-934-3446
NSN 5915-00-159-7349
NSN 6105-01-139-4778
NSN 6130-01-442-6491
NSN 5935-00-139-3441
NSN 4140-01-485-9468