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 5920-01-352-6650
NSN 6150-00-179-1862
NSN 5945-00-679-3956
NSN 6685-00-273-7017
NSN 6135-01-360-1620
NSN 6685-01-238-3790
NSN 5905-01-487-8868
NSN 5915-01-645-8584
NSN 5930-01-495-9123
NSN 5935-01-369-4832
NSN 5999-01-422-2345
NSN 6620-01-274-0203