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 5985-01-415-7999
NSN 6150-01-587-0816
NSN 6220-01-541-4064
NSN 6620-01-020-4526
NSN 5930-01-580-1671
NSN 5915-01-084-5302
NSN 5915-00-702-5905
NSN 5990-00-050-7693
NSN 5935-01-145-3384
NSN 5935-01-534-7323
NSN 5910-01-595-9038
NSN 5935-00-935-2130