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 5895-01-296-4692
NSN 5835-00-016-3671
NSN 6110-01-232-5247
NSN 6685-01-052-5576
NSN 5998-00-954-0111
NSN 5835-01-209-6410
NSN 5999-01-130-2607
NSN 7035-01-410-9197
NSN 6645-01-462-2101
NSN 6650-01-192-9075
NSN 5925-01-463-0305
NSN 5855-01-647-0320