Six concentric circles; 0.625 in. Diameter inner circle; 1 degrees per division of sensitivity; 5 degrees range; 3 mtg holes on 2-1/2 in. Circle
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 6135-01-437-9178
NSN 6610-01-520-6889
NSN 6135-01-397-6564
NSN 5855-01-410-8979
NSN 6220-01-527-2696
NSN 5985-01-026-8955
NSN 4140-01-417-2611
NSN 6135-01-265-1384
NSN 6105-01-290-2068
NSN 5999-00-235-0214
NSN 6105-01-605-1355
NSN 6620-00-254-8985