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 5910-01-141-6266
NSN 6150-01-003-7806
NSN 5945-01-393-5553
NSN 5915-00-140-2886
NSN 5920-01-187-2267
NSN 2925-00-163-9016
NSN 5895-00-456-0830
NSN 5998-01-494-0167
NSN 6130-01-243-7001
NSN 5935-01-092-6972
NSN 5990-01-142-0538
NSN 6145-01-622-3613