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 6650-01-559-7635
NSN 6685-01-232-7680
NSN 5835-00-503-2608
NSN 5999-01-186-6613
NSN 6110-01-492-3456
NSN 5996-00-199-0073
NSN 6685-01-016-0421
NSN 5855-01-114-3513
NSN 6620-00-246-5159
NSN 7035-01-515-7055
NSN 5975-01-358-6418
NSN 6320-01-585-8468