A cylindrical item specifically designed to hold a lens, reticle, or window in an optical system. Includes eccentric cells and/or rings designed to be rotated within the instrument to shift an optical element to a prescribed position.
Classification: Military equipments not identified by kind
NSN 6145-01-298-3151
NSN 6135-00-461-3590
NSN 4140-00-679-9512
NSN 5996-01-416-8215
NSN 5925-01-165-1766
NSN 5905-00-864-5021
NSN 5999-00-182-8908
NSN 5925-01-295-8445
NSN 5999-01-146-6468
NSN 5935-01-248-7709
NSN 5975-00-593-9767
NSN 6145-01-305-0367