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 6620-01-564-7128
NSN 5930-01-022-2229
NSN 5935-00-068-0095
NSN 6110-00-389-6600
NSN 5999-01-401-5322
NSN 5990-01-417-4402
NSN 4140-00-872-4897
NSN 5998-01-263-7750
NSN 6110-01-488-5498
NSN 5855-01-088-8700
NSN 5985-01-141-8855
NSN 5910-01-088-0284