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 6145-01-630-8167
NSN 5985-00-911-5899
NSN 6610-01-429-7267
NSN 5905-00-925-1618
NSN 5965-01-339-5321
NSN 5935-01-463-7674
NSN 6320-01-054-3046
NSN 5935-01-509-5944
NSN 6320-01-113-7647
NSN 5996-01-525-7628
NSN 5855-01-091-2273
NSN 5920-00-225-8893