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 2925-00-404-6461
NSN 6145-00-893-5591
NSN 5920-01-608-4109
NSN 5925-01-592-3077
NSN 5945-01-381-1268
NSN 4140-01-620-8925
NSN 5915-01-521-9217
NSN 5895-01-581-1335
NSN 5998-01-437-2569
NSN 5855-01-622-5992
NSN 5905-01-526-4085
NSN 5925-01-601-1882