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 5915-00-892-3011
NSN 5998-01-416-4741
NSN 5935-00-802-9308
NSN 5920-01-121-8022
NSN 6220-00-651-9622
NSN 6150-01-054-4732
NSN 5945-01-492-6208
NSN 6620-00-800-5579
NSN 5895-01-322-4953
NSN 5950-01-560-1183
NSN 6220-01-088-6604
NSN 6620-01-494-9858