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 5990-01-449-7090
NSN 6685-01-477-3716
NSN 5895-01-127-6800
NSN 5935-01-116-3001
NSN 7035-01-508-6447
NSN 6110-01-309-0060
NSN 5920-01-366-3263
NSN 5999-00-922-8368
NSN 5895-01-525-2234
NSN 6620-01-470-6479
NSN 5998-00-576-4861
NSN 6220-01-104-5604