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 6150-01-420-5632
NSN 6105-01-634-0322
NSN 5999-01-025-1404
NSN 5925-00-175-9086
NSN 5999-01-112-2324
NSN 6620-01-564-1810
NSN 6610-01-297-1492
NSN 5996-01-136-5156
NSN 6130-01-193-0471
NSN 5996-00-043-1991
NSN 4140-01-563-9740
NSN 5990-01-436-7191