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 5915-01-422-6877
NSN 6105-00-259-1692
NSN 6150-01-408-8228
NSN 4140-01-595-3701
NSN 5999-01-170-3766
NSN 5920-01-326-6143
NSN 5960-01-094-7569
NSN 5985-01-266-7913
NSN 5905-00-057-5473
NSN 5910-01-382-1663
NSN 6135-01-142-2417
NSN 5920-01-483-7632