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 5950-01-546-7686
NSN 5985-01-160-5413
NSN 5915-01-633-9845
NSN 6650-01-129-8343
NSN 5920-00-577-2657
NSN 5960-01-605-9921
NSN 5945-00-846-5796
NSN 5965-00-006-3104
NSN 5975-00-736-3420
NSN 7035-00-413-0992
NSN 5999-00-068-7309
NSN 7035-01-491-3981