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 6150-00-188-2958
NSN 5930-00-375-6755
NSN 2925-01-201-3043
NSN 6145-01-535-6896
NSN 5990-00-518-0684
NSN 5895-00-678-6598
NSN 5895-00-595-6803
NSN 6610-01-042-3954
NSN 5999-00-249-4114
NSN 5835-01-185-1102
NSN 5996-01-626-3598
NSN 5910-00-965-6466