6.25 in. By 0.68 in. Dia
A sensitive instrument used to establish accurately the horizontal plane. It consists of a vial(s) in an enclosure which may or may not have mounting holes. It is mounted in or on a flat plate base. The vial may be graduated or plain.
Classification: Drawing, marking-out or mathematical calculating instruments, nesoi
NSN 5996-01-344-2160
NSN 5990-00-212-4316
NSN 5998-01-527-7231
NSN 6240-00-962-9963
NSN 6145-01-116-1274
NSN 5996-00-098-3864
NSN 6610-01-032-5335
NSN 6685-01-422-9875
NSN 5998-00-899-0995
NSN 5920-01-361-8835
NSN 6685-01-091-2432
NSN 5835-01-024-0406