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 5920-01-519-2399
NSN 5985-01-023-9280
NSN 5990-00-617-1422
NSN 7035-01-336-0464
NSN 5935-00-421-3245
NSN 5920-00-196-0302
NSN 6145-01-492-5642
NSN 5985-01-063-8181
NSN 5855-00-058-1293
NSN 6685-00-120-1009
NSN 5910-00-409-0309
NSN 5950-01-377-2390