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 5999-01-211-5062
NSN 6620-00-904-1596
NSN 5920-01-415-2878
NSN 5945-01-484-9325
NSN 6130-01-463-8359
NSN 6130-00-837-7575
NSN 5835-01-024-9249
NSN 5985-01-448-8992
NSN 5925-00-922-7604
NSN 5985-00-153-4205
NSN 6240-01-264-6637
NSN 5935-00-243-8111