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 5935-01-254-7846
NSN 5950-01-577-0001
NSN 6220-01-098-1808
NSN 6620-01-207-0667
NSN 5835-01-512-4834
NSN 5835-01-381-4452
NSN 2925-01-437-9041
NSN 5835-01-254-8584
NSN 6105-01-381-2012
NSN 6135-00-057-2005
NSN 6620-01-133-4193
NSN 5835-01-645-2892