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 5920-01-329-4571
NSN 5910-00-362-6687
NSN 6610-01-444-4001
NSN 6650-01-389-0225
NSN 5835-01-442-6079
NSN 6610-00-367-9603
NSN 5920-01-510-2784
NSN 6645-00-226-2270
NSN 5925-01-016-1146
NSN 5835-01-075-9884
NSN 5910-01-322-8032
NSN 5975-00-292-3250