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 6650-01-195-3957
NSN 6650-01-297-8168
NSN 6150-00-878-0601
NSN 6610-01-487-7256
NSN 7035-00-327-0458
NSN 6610-00-717-2083
NSN 6650-01-617-2513
NSN 5835-00-564-0057
NSN 6685-01-432-7156
NSN 5930-01-365-4991
NSN 6610-00-935-7131
NSN 6130-00-635-9853