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 6320-01-302-5157
NSN 6685-01-608-5137
NSN 6645-00-819-5045
NSN 5985-01-242-9467
NSN 5990-00-172-9260
NSN 2925-01-146-0278
NSN 5945-01-564-6595
NSN 6645-00-268-4042
NSN 6685-01-147-5617
NSN 2925-00-420-5566
NSN 5925-00-171-0307
NSN 5935-01-578-7979