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 5975-00-518-0780
NSN 5855-00-973-5717
NSN 5855-01-457-3608
NSN 5835-01-029-5602
NSN 4140-01-511-2126
NSN 5996-01-239-4120
NSN 5925-00-999-9320
NSN 5990-00-359-9839
NSN 6320-01-506-9439
NSN 5920-00-216-8665
NSN 5965-00-996-3541
NSN 5935-01-023-8282