Chrome plated; 3 bolt holes for mounting; it has a series of 4 concentric circles that give a rating of 60 minutes or 1 degree per division
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 6150-00-583-9878
NSN 5999-01-407-1087
NSN 5985-01-199-2836
NSN 7035-01-165-6820
NSN 5998-01-610-4146
NSN 5999-01-360-5868
NSN 6220-01-333-6084
NSN 5999-00-101-2284
NSN 5925-01-282-6058
NSN 7035-01-211-5636
NSN 5990-01-595-9441
NSN 7035-01-160-4423