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 5925-01-364-6916
NSN 5965-00-185-9687
NSN 6220-01-406-3167
NSN 6220-01-218-5164
NSN 5930-01-047-1114
NSN 5998-00-621-8600
NSN 6645-01-659-1583
NSN 5905-01-111-7808
NSN 5945-01-621-8148
NSN 5985-01-200-4774
NSN 6650-01-250-5164
NSN 5905-00-232-5790