Hardened steel base; 5 in. L x 1 in. W x 1-1/4 in. H
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 5855-00-912-3885
NSN 5855-01-023-3727
NSN 5935-01-411-6787
NSN 6150-01-467-2226
NSN 6130-00-683-1011
NSN 6105-01-074-0042
NSN 5950-00-395-1312
NSN 6135-01-400-2947
NSN 6150-01-407-8934
NSN 5920-00-725-1458
NSN 5950-00-998-9212
NSN 5920-00-862-5820