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 6145-01-526-7932
NSN 6685-01-553-6020
NSN 5950-00-597-8644
NSN 5930-01-550-9083
NSN 6110-00-504-0159
NSN 7035-01-499-9239
NSN 6130-01-423-7271
NSN 5935-01-222-1717
NSN 4140-01-418-3017
NSN 5965-01-500-5386
NSN 6650-01-361-9336
NSN 6240-01-112-7576