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 5905-01-264-8862
NSN 5920-01-444-2895
NSN 6150-00-132-8997
NSN 6105-01-258-6198
NSN 6320-01-033-6624
NSN 5935-00-543-8877
NSN 5975-01-580-1530
NSN 5930-00-116-8211
NSN 5935-01-184-2811
NSN 6645-00-192-1152
NSN 6685-00-116-6026
NSN 7035-01-411-6062