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 6645-00-955-7997
NSN 5945-01-056-1785
NSN 5996-01-248-0947
NSN 5895-00-372-5493
NSN 6150-00-423-9804
NSN 6320-01-039-5891
NSN 6650-00-834-9062
NSN 2925-00-881-0164
NSN 5920-01-376-4926
NSN 5950-00-281-2389
NSN 6220-01-601-7445
NSN 5930-01-269-8329