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 5990-01-565-2226
NSN 5950-00-078-3273
NSN 5910-01-448-9404
NSN 6110-01-223-3768
NSN 2925-01-408-2088
NSN 5835-01-442-6482
NSN 5990-01-086-3194
NSN 5930-01-536-9644
NSN 5998-01-240-5698
NSN 6645-01-455-1293
NSN 6135-01-056-4609
NSN 6130-00-208-8468