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 5990-01-446-5546
NSN 5950-01-617-1893
NSN 5965-01-644-4989
NSN 6610-01-109-3359
NSN 6135-00-248-4102
NSN 5990-00-961-6186
NSN 5990-00-753-8870
NSN 5895-00-856-8038
NSN 6620-01-423-7300
NSN 5945-01-007-9411
NSN 7035-01-531-4750
NSN 6145-01-396-5647