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 5935-01-336-4431
NSN 6685-00-291-7857
NSN 5915-01-025-1362
NSN 7035-00-232-4043
NSN 6610-01-010-3915
NSN 6105-01-426-7906
NSN 6145-00-296-0085
NSN 5855-00-247-7219
NSN 6240-00-204-9355
NSN 6240-00-267-7428
NSN 6105-00-843-4503
NSN 5998-00-035-5308