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 6135-01-361-9297
NSN 5835-01-187-8986
NSN 6240-01-252-9374
NSN 5950-00-333-9029
NSN 5985-00-353-6339
NSN 6150-00-853-6440
NSN 5950-01-651-9595
NSN 5905-01-646-7091
NSN 6145-01-607-6165
NSN 5930-01-296-0123
NSN 5905-01-423-8063
NSN 5999-01-142-1255