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 6130-01-197-4605
NSN 5965-00-064-8209
NSN 6240-01-594-5703
NSN 5925-01-553-2874
NSN 5925-01-077-6316
NSN 5965-01-423-8543
NSN 6620-00-079-0311
NSN 5925-00-837-1896
NSN 5945-00-679-9554
NSN 5990-00-984-9057
NSN 5996-01-141-6916
NSN 6645-01-280-0252