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 5998-01-447-6951
NSN 5950-01-463-7780
NSN 5950-01-424-7267
NSN 5996-01-107-5737
NSN 5999-00-115-5843
NSN 6685-00-136-3151
NSN 5990-00-293-6031
NSN 4140-01-144-3751
NSN 6105-01-536-6368
NSN 6105-01-049-1975
NSN 6320-01-354-6204
NSN 4140-01-160-8934