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 5996-01-263-5871
NSN 5935-01-379-0305
NSN 5990-01-183-1897
NSN 5996-01-169-0913
NSN 6320-00-456-2092
NSN 5998-01-160-7996
NSN 6620-01-388-8955
NSN 6685-01-318-0973
NSN 5990-01-431-6749
NSN 4140-01-510-2729
NSN 5905-01-435-4531
NSN 5935-01-282-5747