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 5990-01-357-6175
NSN 5930-00-615-1869
NSN 6650-00-966-5205
NSN 5950-01-425-2163
NSN 6105-01-415-3314
NSN 5975-01-069-2196
NSN 5950-01-634-0677
NSN 6320-01-392-6922
NSN 5945-00-557-2934
NSN 6240-00-423-9575
NSN 5996-00-488-7060
NSN 5925-01-125-0403