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 6130-01-386-5594
NSN 5920-00-005-7106
NSN 5945-00-425-0099
NSN 6610-01-546-2802
NSN 5835-00-484-1529
NSN 5835-01-478-0157
NSN 6620-01-327-4111
NSN 5835-00-554-0399
NSN 6220-01-158-8073
NSN 6145-01-307-8674
NSN 5999-01-123-2725
NSN 5990-01-092-7879