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 6650-00-520-4253
NSN 6130-01-286-7529
NSN 5925-01-501-6465
NSN 6130-01-089-7660
NSN 7035-01-083-0282
NSN 6135-00-500-2082
NSN 5975-01-597-6317
NSN 5945-00-912-8787
NSN 5930-00-388-6758
NSN 6650-00-754-2276
NSN 5950-01-505-9406
NSN 6135-01-265-1384