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 6220-01-634-0660
NSN 5915-01-509-5410
NSN 2925-01-458-5808
NSN 5930-00-541-8594
NSN 5855-01-100-3272
NSN 5895-00-708-2116
NSN 5935-00-820-5486
NSN 5975-01-389-1887
NSN 5910-00-636-2496
NSN 5965-00-827-9680
NSN 6145-01-463-7128
NSN 6135-01-278-9717