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 5835-00-257-2852
NSN 6610-01-605-2451
NSN 5915-00-184-7664
NSN 6610-01-537-7260
NSN 6220-01-100-2703
NSN 6145-01-566-2732
NSN 6320-01-339-8056
NSN 6105-01-350-4890
NSN 5835-00-433-0170
NSN 5905-00-155-7018
NSN 5999-01-014-4972
NSN 6620-01-649-0748