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 6620-01-087-2354
NSN 5835-01-282-3321
NSN 5915-00-405-4607
NSN 5915-00-477-1023
NSN 4140-01-125-5187
NSN 5835-01-240-5022
NSN 5990-00-681-2789
NSN 5920-01-452-0001
NSN 5985-01-366-0525
NSN 5930-01-643-2263
NSN 5996-01-645-4831
NSN 5999-00-090-5002