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 5990-01-186-6446
NSN 6320-00-790-4844
NSN 5915-01-525-6504
NSN 5920-01-227-1877
NSN 6145-01-157-3488
NSN 5999-01-383-4826
NSN 6150-01-508-8180
NSN 6645-01-507-0208
NSN 6320-01-098-2503
NSN 5945-01-113-7250
NSN 5960-01-425-1454
NSN 5996-00-292-5394