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 5950-00-547-7001
NSN 6150-01-278-8852
NSN 6130-01-428-1313
NSN 2925-01-420-2362
NSN 6110-00-679-8961
NSN 5999-00-728-8443
NSN 6220-01-255-0258
NSN 5975-01-603-4456
NSN 5905-01-056-3504
NSN 5985-01-188-8926
NSN 5920-00-481-1419
NSN 2925-01-264-1699