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 6620-01-161-3704
NSN 6105-00-248-5772
NSN 5950-00-082-1616
NSN 6130-01-413-2477
NSN 6105-01-425-1718
NSN 7035-00-897-7567
NSN 6130-01-296-2517
NSN 5998-01-613-2025
NSN 5925-00-924-6296
NSN 5985-00-351-9456
NSN 6645-01-592-0540
NSN 5910-01-143-0431