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 6145-01-088-7495
NSN 6685-01-536-3531
NSN 6135-00-246-0324
NSN 5935-00-980-3928
NSN 5950-00-844-9839
NSN 5999-01-115-1398
NSN 2925-00-428-6349
NSN 6685-01-368-6107
NSN 5935-01-193-3992
NSN 6620-01-252-4719
NSN 7035-00-286-6221
NSN 5925-00-192-3217