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 5950-01-291-5479
NSN 5950-00-922-4145
NSN 6220-00-707-5044
NSN 5965-01-302-6456
NSN 5855-01-495-1038
NSN 6650-01-139-6467
NSN 6685-00-100-1511
NSN 5895-01-646-2803
NSN 6650-01-416-6272
NSN 6320-00-790-4844
NSN 4140-01-132-0093
NSN 5950-00-801-7765