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 5835-01-281-7281
NSN 5996-00-423-4515
NSN 6645-01-525-7493
NSN 5920-00-081-9156
NSN 6110-01-611-7516
NSN 6150-00-737-8809
NSN 6240-01-420-8320
NSN 5950-01-329-1001
NSN 5945-00-540-8178
NSN 6650-00-883-4790
NSN 6610-00-553-5103
NSN 2925-00-856-0115