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 7035-00-574-4223
NSN 6620-00-415-2768
NSN 5975-00-372-1415
NSN 5975-00-678-5958
NSN 5998-01-511-3140
NSN 5895-00-518-1593
NSN 6110-00-003-8586
NSN 5910-01-345-6270
NSN 5930-00-126-7288
NSN 5930-00-854-7425
NSN 6240-01-212-9535
NSN 6220-01-391-7204