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 5960-00-569-5839
NSN 2925-01-374-2402
NSN 5965-01-052-3765
NSN 5855-01-519-2486
NSN 6320-01-148-8125
NSN 5975-00-406-4753
NSN 5835-00-876-4544
NSN 5975-01-634-0678
NSN 6610-01-564-7464
NSN 5999-01-291-0400
NSN 6650-01-202-8014
NSN 5835-01-126-2480