A device which utilizes a cylindrical or circular vial, level. It is used for leveling, adjusting and setting angles for fire control instruments of which it is an integral part.
Classification: Military equipments not identified by kind
NSN 5975-01-423-2152
NSN 5945-00-735-1838
NSN 5855-00-925-7887
NSN 5835-01-579-5941
NSN 5930-00-205-2682
NSN 6130-00-339-6134
NSN 5975-01-476-7332
NSN 5835-01-330-6791
NSN 5945-00-184-9668
NSN 2925-00-980-5749
NSN 4140-00-470-0530
NSN 5985-01-029-2785