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 6145-00-087-5694
NSN 5920-01-542-8168
NSN 6320-01-277-5793
NSN 5999-01-112-0014
NSN 6620-01-128-3053
NSN 5895-01-100-1477
NSN 5945-01-644-0452
NSN 6650-00-702-3560
NSN 6130-00-933-5579
NSN 5835-01-461-8184
NSN 6150-00-160-4437
NSN 5835-01-622-2556