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 2925-01-239-6044
NSN 5835-01-261-2978
NSN 6130-00-113-4558
NSN 6110-01-515-1751
NSN 6240-01-091-9822
NSN 5855-01-600-2997
NSN 5996-01-513-7718
NSN 6685-00-571-3508
NSN 6130-01-591-7607
NSN 5965-01-605-8821
NSN 6685-00-702-3074
NSN 6130-00-222-5291