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 5835-01-625-7432
NSN 5945-01-235-9441
NSN 6110-01-407-5706
NSN 6135-01-407-0594
NSN 6645-00-654-8804
NSN 4140-00-764-5287
NSN 5935-01-335-4961
NSN 6620-00-123-4168
NSN 6130-01-333-4817
NSN 5950-01-425-8652
NSN 5915-01-225-6708
NSN 5945-01-228-8826