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 6320-00-725-0754
NSN 5910-00-713-5364
NSN 6685-01-182-2894
NSN 7035-01-271-1643
NSN 5915-00-683-8248
NSN 5998-01-363-8658
NSN 4140-00-660-8699
NSN 6220-01-051-1298
NSN 6110-00-211-1092
NSN 6240-01-052-7690
NSN 5910-01-262-0871
NSN 7035-01-193-2667