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 6150-01-158-5438
NSN 6220-00-905-4653
NSN 2925-01-353-3928
NSN 6130-01-175-1328
NSN 5910-01-205-7474
NSN 5925-01-339-1443
NSN 5905-01-305-1958
NSN 5960-01-522-0391
NSN 5996-01-631-8001
NSN 7035-01-311-8424
NSN 5996-00-824-1200
NSN 2925-00-167-6762